Context: Cytokine release is a well-known response to surgery especially when it is linked to cancer. Paravertebral block (PVB) is the suitable regional anesthesia for breast surgery. Aim: We tested the effect of replacing general anesthesia (GA) with PVB on cytokine response during and after surgeries for cancer breast. Settings and Design: Controlled randomized study. Methods: Forty cancer breast patients were divided in two groups; Group I received PVB and Group II received GA during performance of unilateral breast surgery without axillary clearance. Plasma concentrations of interleukin (IL)-6, IL-10, IL-12 and interferon-γ (IFN-γ) were measured and IL-10/IFN-γ were estimated in the following points; before starting PVB in Group I or induction of GA in Group II (Sample A), before skin incision (Sample B), at the end of procedure before shifting out of operating room (Sample C), 4-h post-operatively (Sample D) and 24-h post-operatively (Sample E). Statistical Analysis: unpaired Student t-test. Results: IL-6 increased progressively in both groups with statistically significant lower levels in samples C and D in Group I. IL-10 levels showed progressive increasing in both groups without differences between groups. IL-12 showed progressive decrease in both groups with statistically significant higher levels in samples C and D in Group I. IFN-levels showed significantly higher levels in samples C and D in Group I. IL-10/IFN-γ ratio was significantly lower in Group II in samples C and D. Conclusion: Replacing GA with PVB can attenuate cytokines response to cancer breast surgeries.

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Objective: The objective of this study was to evaluate the efficacy and safety of giving general anesthesia without the use of any opioids either systemic or intraperitoneal in bariatric surgery. Methods: Prospective randomized controlled trial. Obese patients (body mass index >50 Kg/m ² ) undergoing laparoscopic sleeve gastrectomies were recruited and provided an informed signed consent. Patients were randomized using a computer generated randomization table to receive either opioid or non-opioid based anesthesia. The patient and the investigator scoring patient outcome after surgery were blinded to the anesthetic protocol. Primary outcomes were hemodynamics in the form of "heart rate, systolic, diastolic, and mean arterial blood pressure" on induction and ½ hourly thereafter. Pain monitoring through visual analog scale (VAS) 30 min after recovery, hourly for 2 h and every 4 h for 24 h was also recorded. Pain monitoring through VAS and post-operative nausea and vomiting 30 min after recovery were also recorded and finally patient satisfaction and acute pain nurse satisfaction. Results: There was no difference in background characteristics in both groups. There were no statistically significant differences in different outcomes as heart rate, mean blood pressure, O ₂ saturation in different timings between groups at any of the determined eight time points but pain score and nurse satisfaction showed a trend to better performance with non-opioid treatment. Conclusion: Nonopioid based general anesthesia for Bariatric surgery is as effective as opioid one. There is no need to use opioids for such surgery especially that there was a trend to less pain in non-opioid anesthesia.

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Diabetes mellitus has emerged as one of the fastest growing non communicable diseases worldwide. Management of diabetic patients during surgical and critically illness is of paramount challenge to anesthesiologist and intensivist. Among its major acute complications, hypoglycemia has been given lesser attention as compared to other major acute complications; diabetic ketoacidosis and hyperosmolar non ketotic coma. However, newer studies and literary evidence have established the serious concerns of morbidity and mortality, both long- and short-term, related to hypoglycemia. basis. Invariably, diabetic patients are encountered in our daily routine practice of anesthesia. During fasting status as well as the perioperative period, it is hypoglycemia that is of high concern to anesthesiologist. Management has to be based on clinical, pharmacological, social, and psychological basis, so as to completely prevent the complications arising from an acute episode of hypoglycemia. This review aims to highlight various aspects of hypoglycemia and its management both from endocrine and anesthesia perspective.

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This review of the long-term management of spasticity addresses some of the clinical dilemmas in the management of patients with chronic disability. It is important for clinicians to have clear objectives in patient treatment and the available treatment strategies. The review reiterates the role of physical treatment in the management, and thereafter the maintenance of patients with spasticity. Spasticity is a physiological consequence of an injury to the nervous system. It is a complex problem which can cause profound disability, alone or in combination with the other features of an upper motor neuron syndrome, and can give rise to significant difficulties in the process of rehabilitation. This can be associated with profound restriction to activity and participation due to pain, weakness, and contractures. Optimum management is dependent on an understanding of its underlying physiology, an awareness of its natural history, an appreciation of the impact on the patient, and a comprehensive approach to minimizing that impact. The aim of this article is to highlight the importance, basic approach, and management options available to the general practitioner in such a complex condition.

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Background: Postpartum hemorrhage (PPH) and anemia thereafter can be a life threatening condition in parturients undergoing lower segment cesarean section (LSCS), especially when anemia is present. Aim: The objective of this study was to assess two doses of Tranexamic acid (TXA) in reducing intra operative blood loss and incidence of PPH, in terms of both efficacy and safety profiles, when used prophylactically. Methods: A monocenter prospective case control double blind randomized study was carried out on a consecutive series of 90 anemic patients undergoing LSCS, with hemoglobin between 7-10 g percent. Three random groups were formed. Group T1 (n=30) received 10mg/kg TXA in 20 ml of 5% dextrose intravenously, while T2 group (n=30) received 15mg/kg. Group C (n=30) received a placebo. Drug was administered prophylactically 20 min before skin incision. Blood loss was measured from placental delivery up to 24 hours by method of weight and volume. Staistical Analysis: To compare quantitative data between two groups, t-test, and for more than two groups ANOVA was used. To compare the mean for non- parametric data between two groups Mann - Whitney test was used, while in case of more than two groups Kruskal - Wallis test was employed. Probability (p) value was considered significant when it was 0.05 or less. Results: TXA significantly reduced blood loss in both the study groups. Mean total blood loss was 527.17±88.666 ml, 376.83±31.961ml and 261.17±56.777 ml in group C, T1, and T2 respectively. While reduction of blood loss in T1 group compared to control group was 146.34±56.32ml, it was 262±31.51ml in T2 group. Difference between T1 and T2 was 115.66±24.81ml, which was statistically significant (P<0.05). Postoperative blood loss was insignificant in all three groups. Pre- and post-operative hemoglobin levels differed significantly when compared to control group. Blood transfusion was needed in two patients in the control group, whereas no patient in groups T1 and T2 needed transfusion (P=0.02). No significant adverse effect was seen in all the three groups. Conclusion: Hence, TXA was found to be effective in reducing blood loss and transfusion in anemic parturients undergoing LSCS. 15mg/kg dose of TXA was more efficacious than the 10mg/kg dose and without any undue increase in adverse events. Postpartum anemia is a public health problem worldwide and TXA could prove to be a very useful drug to prevent blood loss and transfusions in patients undergoing LSCS, especially in the anemic subgroup.

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Background: Umbilical hernia repair, a common day-case surgery procedure in children, is associated with a significant postoperative pain. The most popular peripheral nerve blocks used in umbilical hernia repair are rectus sheath infiltration and caudal block. The rectus sheath block may offer improved pain relief following umbilical hernia repair with no undesired effects such as lower limb motor weakness or urinary retention seen with caudal block which might delay discharge from the hospital. Ultrasound guidance of peripheral nerve blocks has reduced the number of complications and improved the quality of blocks.The aim of this case series is to assess the post rectus sheath block pain relief in pediatric patients coming for umbilical surgery. Methods: Twenty two (22) children (age range: 1.5-8 years) scheduled for umbilical hernia repair were included in the study. Following the induction of general anesthesia, the ultrasonographic anatomy of the umbilical region was studied with a 5-16 MHz 50 mm linear probe. An ultrasound-guided posterior rectus sheath block of both rectus abdominis muscles (RMs) was performed (total of 44 punctures). An in-plain technique using Stimuplex A insulated facet tip needle 22G 50mm. Surgical conditions, intraoperative hemodynamic parameters, and postoperative analgesia by means of the modified CHEOPS scale were evaluated. Results: ultrasonograghic visualization of the posterior sheath was possible in all patients. The ultrasound guided rectus sheath blockade provided sufficient analgesia in all children with no need for additional analgesia except for one patient who postoperatively required morphine 0.1 mg/kg intravenously. There were no complications. Conclusions: Ultrasound guidance enables performances of an effective rectus sheath block for umbilical hernia. Use of the Stimuplex A insulated facet tip needle 22G 50mm provides easy, less traumatic skin and rectus muscle penetration and satisfactory needle visualiza.

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Background: Emergence agitation (EA) has been documented as a common side-effect of sevoflurane anesthesia. This prospective, randomized, double-blind, placebo-controlled study was designed to compare the effects of ketamine versus fentanyl, administered 10 min before the end of surgery on the development of EA. Methods: A total of 120 children aged 3-7 years of American Society of Anesthesiologists I-II physical status were randomly assigned to one of three equal groups receiving either ketamine 0.5 mg/kg (Group K), fentanyl 1 μg/kg (Group F) or saline (Group C) at 10 min before the end of surgery. Post-operative EA was assessed with Aono''s four point scale. Recovery times, the post-operative pain and adverse reactions were assessed. Results: There was no significant difference between the three groups regarding recovery and discharge times from post-anesthesia care unit. The incidence of EA was significantly low in Group K and Group F (15% and 17.5%, respectively) compared to the control group (42.5%), with no significant difference between Group K and Group F. There were no significant differences in Children's Hospital of Eastern Ontario Pain Scale between the three groups. The incidence of nausea or vomiting was significantly more in Group F compared to that in other two groups. However, no complications such as somnolence, oxygen desaturation or respiratory depression occurred during the study period and there were no episodes of hallucinations or bad dreams in the ketamine group. Conclusion: The intravenous administration of either ketamine 0.5 mg/kg or fentanyl 1 μg/kg before the end of surgery in sevoflurane-anesthetized children undergoing tonsillectomy with or without adenoidectomy reduces the incidence of post-operative agitation without delaying emergence.

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Purpose: Major hepatic resections may result in hemodynamic changes. Aim is to study transesophageal Doppler (TED) monitoring and fluid management in comparison to central venous pressure (CVP) monitoring. A follow-up comparative hospital based study. Methods: 59 consecutive cirrhotic patients (CHILD A) undergoing major hepatotomy. CVP monitoring only (CVP group), (n=30) and TED (Doppler group), (n=29) with CVP transduced but not available on the monitor. Exclusion criteria include contra-indication for Doppler probe insertion or bleeding tendency. An attempt to reduce CVP during the resection in both groups with colloid restriction, but crystalloids infusion of 6 ml/kg/h was allowed to replace insensible loss. Post-resection colloids infusion were CVP guided in CVP group (5-10 mmHg) and corrected flow time (FTc) aortic guided in Doppler group (>0.4 s) blood products given according to the laboratory data. Results: Using the FTc to guide Hydroxyethyl starch 130/0.4 significantly decreased intake in TED versus CVP (1.03 [0.49] versus 1.74 [0.41] Liter; P>0.05). Nausea, vomiting, and chest infection were less in TED with a shorter hospital stay (P<0.05). No correlation between FTc and CVP (r=0.24, P > 0.05). Cardiac index and stroke volume of TED increased post-resection compared to baseline, 3.0 (0.9) versus 3.6 (0.9) L/min/m ² , P>0.05; 67.1 (14.5) versus 76 (13.2) ml, P>0.05, respectively, associated with a decrease in systemic vascular resistance (SVR) 1142.7 (511) versus 835.4 (190.9) dynes.s/cm ⁵ , P>0.05. No significant difference in arterial pressure and CVP between groups at any stage. CVP during resection in TED 6.4 (3.06) mmHg versus 6.1 (1.4) in CVP group, P=0.6. TED placement consumed less time than CVP (7.3 [1.5] min versus 13.2 [2.9], P>0.05). Conclusion: TED in comparison to the CVP monitoring was able to reduced colloids administration post-resection, lower morbidity and shorten hospital stay. TED consumed less time to insert and was also able to present significant hemodynamic changes. Advanced surgical techniques of resection play a key role in reducing blood loss despite CVP more than 5 cm H ₂ O. TED fluid management protocols during resection need to be developed.

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Due to high mortality associated with aortic dissection, anesthetic management of patients with Marfan syndrome with severe aortic root dilation is a challenging situation. We describe the anesthetic management of a patient with Marfan syndrome with severe aortic root dilation, who required major surgery like cholecystectomy with partial liver resection under general anesthesia. A 47-year-old female presented to pre-anesthetic clinic for cholecystectomy with partial hepatic resection for gall bladder carcinoma. Clinical features, transthoracic echocardiography and computed tomography of thorax supported a diagnosis of Marfan syndrome with severely dilated aortic root. Aortic dissection in patients with Marfan syndrome and severely dilated aortic root can be precipitated by major hemodynamic changes under anesthesia. Careful hemodynamic monitoring and avoidance of hemodynamic swings can prevent this life-threatening event.

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Background: Continous spinal anesthesia (CSA) and frequently unilateral spinal anesthesia (USpA) are usually preferred for lower extremity surgeries. In this study, we aimed to compare the effects of these anesthetic techniques, on hemodynamic parameters, quality of anesthesia and complications in elderly patients undergoing hip surgeries. Methods: Forty patients aged 65 years and older, assigned to receive either CSA or USpA with 7.5 mg (1.5 cc) 0.5% hyperbaric bupivacaine initially. In CSA group, additional doses of 2.5 mg bupivacaine were applied until sensory block reach to T ₁₀ . Maximum sensorial block level, time to reach the level of T ₁₀ (defined as onset time) and to regress to T ₁₂ , hemodynamic parameters and ephedrine requirements were recorded peroperatively and during 2 h postoperatively. Results: Hemodynamic parameters, ephedrine requirements and regression of sensory block by two levels were similar in two groups. The onset time of anesthesia was significantly longer in USpA group than CSA group. Neuraxial anesthesia had to be converted to general anesthesia in 5 patients (25%) in CSA group and 1 patient (5%) in USpA group. Conclusions: We conclude that both USpA and CSA techniques have similar effects in elderly high risk patients. On the other hand, USpA is more preferable for surgeries with shorter durations due to its low cost and high success rate.

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Background: Spasticity is a syndrome associated with a persistent increase in involuntary reflex activity of a muscle in response to stretch. Adductor muscle spasticity is a common complication of spinal cord and brain injury. It needs to be treated if it interferes with activities of daily living and self-care. Obturator neurolytic blockade is one of the cost-effective therapeutic possibilities to treat spasticity of adductor group of muscles. In this study, we assessed the efficacy of interadductor approach in alleviating the spasticity. Methods: Obturator neurolysis using 8-10 ml 6% phenol was given with the guidance of a peripheral nerve stimulator in 20 spastic patients. Technical evaluation included number of attempted needle insertions, time to accurate location of the nerve, depth of needle insertion, and success rate. Pain, spasticity, hip abduction range of motion (ROM), number of spasms, gait, and hygiene were evaluated at 1 ^st hour, 24 ^th hour, end of the 1 ^st week, and in the 1 ^st , 2 ^nd , and 3 ^rd months following the intervention. Results: The success rate was 100% with mean time to accurate nerve location 4.9±2.06 min. Average depth of needle insertion was 2.91±0.32 cm. Compared with the scores measured immediately before the block, all studied parameters improved significantly. An increase in the Modified Ashworth Scale values was observed in the 2 ^nd and 3 ^rd months, but they did not reach their initial values. Conclusion: The interadductor approach proved to be accurate and fast, with a high success rate. Phenol blockade is an efficient and cost-effective technique in patients with adductor spasticity. It led to a decrease in spasticity and pain with an increase in the ROM of the hip and better hygiene, with an efficacy lasting for about 3 months.

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Orbital exenteration is a disfiguring operation involving the removal of the entire contents of the orbit, with or without the eyelids. It is widely felt that such extensive surgery can only be performed under general anesthesia. We report our experience with a patient who underwent orbitalexenteration under trigeminal block with intravenous sedation. A 68-year-old male patient was diagnosed to have orbital cellulitis (mucormycosis), uncontrolled diabetes mellitus, ischemic heart disease, dilated cardiomyopathy with severe left ventricular systolic dysfunction with severe pulmonary artery hypertension, and nephropathy. We decided to avoid general anesthesia for such a high-risk patient with many co-morbid illnesses. We gave trigeminal block using a 22-G spinal needle with local anesthetic solution of bupivacaine 0.5% by classic approach. A standard exenteration was performed and the patient tolerated the procedure well with no complications.

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Statins are being extensively used in cardiac patient throughout the globe. Succinylcholine has been the mainstay of profound relaxation during induction and intubation of anesthesia for almost six decades now. The interactive properties of these drugs have been of major concern during routine anesthesiology practice in the last few years. However, no major research trial, prospective studies or meta-analysis are available, which can truly allay the fears of possible potential negative synergistic interactions between these two commonly used drugs. Whatever the evidence is available is hardly enough to support a positive outcome and the results have been drawn from observations of only few small studies. As a result, a continuous need among anesthesiologist fraternity is felt to arrive at a suitable inference, which can predict definite consequences of this synergistic interaction. The present article reviews some of the important observations of few handful studies which were carried out to observe any potential adverse interactions between succinylcholine and statins.

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Background: Second generation extraglottic airway devices with gastric access and separate breathing channels have ushered in a new era where their use is increasingly prevalent in surgical patients who would have been traditionally intubated for general anesthesia. New innovations like the i-gel, which is constructed of a thermoplastic elastomer, provide an airtight seal around patient's perilaryngeal anatomy without the inflatable cuff mechanism found in the laryngeal mask airway supreme (LMAS). Methods: We conducted a randomized controlled trial comparing the LMAS with the i-gel in 70 anesthetized paralyzed patients undergoing laparoscopic female sterilization. Our primary outcome measure was the oropharyngeal leak pressure (OLP). We studied secondary outcomes of successful first attempt insertion rates, time and ease of the airway and gastric tube insertion, leak fractions and pharyngeal morbidity. Results: We found no difference in the OLP between LMAS and i-gel, 25.9 (4.2) versus 24.4 (4.3) s, P=0.153. Both devices had similar first attempt insertion rates (LMAS 94% vs. i-gel 91%) with similar ease and comparable times to achieve an effective airway, LMAS 14.7 (2.7) versus i-gel 16.5 (9.6) s, P=0.306, although gastric tube insertion was easier and faster for the LMAS, 7.9 (1.9) versus i-gel 14.8 (7.7) s, P<0.005. Intraoperatively, there was a significantly greater leak fraction with the i-gel of 0.06 (0.03) versus 0.04 (0.02) with the LMAS, P=0.013. Three patients (8.6%) with LMAS had mild sore throat; one patient (2.9%) had mucosal injury. No complications were documented in the i-gel group. Conclusions: Both these extraglottic airway devices offer similar OLPs, high insertion success rates at the first attempt with similar ease and insertion times (albeit longer gastric tube insertion with i-gel). Both provided effective ventilation despite a higher leak fraction with i-gel that was clinically inconsequential.

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Background: Re-intubation of neurosurgical patients after a successful tracheal extubation in the operating room is not uncommon. However, no prospective study has ever addressed this concern. This study was aimed at analyzing various risk factors of re-intubation and its effect on patient outcome. Methods: Patients aged between 18-60 yrs and of ASA physical status I and II undergoing elective craniotomies over a period of two yrs were included. A standard anesthetic technique using propofol, fentanyl, rocuronium, and isoflurane/sevoflurane was followed, in all these patients. 'Re-intubation' was defined as the necessity of tracheal intubation within 72 hrs of a planned extubation. Data were collected and analyzed employing standard statistical methods. Results: One thousand eight hundred and fifty patients underwent elective craniotomy, of which 920 were included in this study. A total of 45 (4.9%) patients required re-intubation. Mean anesthesia duration and time of re-intubation were 6.3±1.8 and 24.6±21.9 hrs, respectively. The causes of re-intubation were neurological deterioration (55.6%), respiratory distress (22.2%), unmanageable respiratory secretion (13.3%), and seizures (8.9%). The most common post-operative radiological (CT scan) finding was residual tumor and edema (68.9%). Seventy-three percent of the re-intubated patients had satisfactory post-operative cough-reflex. The ICU and hospital stay, and Glasgow outcome scale at discharge were not significantly affected by different causes of re-intubation. Conclusion: Neurological deterioration is the most common cause of re-intubation following elective craniotomies owing to residual tumor and surrounding edema. A satisfactory cough reflex may not prevent subsequent re-intubation in post-craniotomy patients.

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The case is a 35-year-old man who underwent spinal anesthesia for emergency strangulated inguinal hernia repair. About five minutes after 3 ml intrathecal drug injection, the patient suffered respiratory distress, bradycardia, hypotension and loss of consciousness. The patient was rapidly intubated and crystalloid infusion and epinephrine drip were established. Thereafter, he was admitted in intensive care unit. Search for the cause revealed us that 3 ml of magnesium sulfate (50%) was injected mistakenly for spinal anesthesia. Two days later, he was extubated and on the fifth day, he was discharged from the hospital without an obvious evidence of complication.

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Xeroderma pigmentosum (XP) is characterized by hypersensitivity to sunlight, ocular involvement, and progressive neurological complications. These manifestations are due to a cellular hypersensitivity to ultraviolet radiation leading to a defect in repair of DNA by the process of nucleotide excision repair. Basal cell carcinoma which is rare in children can occur with XP. Though the XP induced changes are predominately dermatologic, pose several challenges in anaesthetic management. Hence, we are reporting a 9-year-old child with XP scheduled for excision of basal cell carcinoma under general anaesthesia.

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Objective: This survey aimed to assess both the extent of practice and need for training in regional anesthesia among anesthesiologists in Saudi Arabia in 2012. Methods: We distributed an electronic survey among 382 anesthesiologists attending the bi-annual meetings of the Saudi Anesthetic Association, enquiring about their practice in regional anesthesia. Questions concerned the practice of regional anesthesia, use of ultrasound guidance, and the need for training workshops. Results: The response rate of anesthetists was 55.2% with most of them were males and had mean age of 25-50 years. Most anesthesiologists (88.2%) were practicing regional anesthesia frequently in the operating rooms (75.3%) rather than designated block room. From the respondents, only 14.2% did fellowship in regional anesthesia, 21.8% and 18.5% were using ultrasound and nerve stimulation guidance, respectively, 11.4% received formal training, and 86.3% were willing to attend training workshops on regional anesthesia. There was a significant negative correlation between the ultrasound users and their institutional positions ( r=−0.191) ( P=0.026). Conclusions: We believe that more could be done to improve the practice of regional anesthesia in the Kingdom of Saudi Arabia, including the implementation of formal training and conduction of more frequent specialized courses/workshops in the field of regional anesthesia with special reference to ultrasound regional anesthesia blockade techniques.

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Pulse oximetry is a noninvasive and continuous monitoring of the pulsed saturation of hemoglobin oxygen. Because of its simplicity and usefulness, it is part of monitoring recommended for any anesthesia in the operating room. Different factors may limit the use of this monitoring. We report a case of difficulty monitoring by the presence of henna in a patient scheduled for general anesthesia in prone position.

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Objective: Most neurosurgeons and anesthesiologists prefer the less invasive intervention for most surgeries; recently, the lumbar anesthesia is more popular method. In this study we have tried to distract the attention of the patients to their favorite video-clip instead of their surrounding operating room background to evaluate the hemodynamic as well as their satisfaction during the operation. Methods: 80 patients who were scheduled for an elective one level discectomy under the regional spinal anesthesia enrolled in this prospective randomized clinical trial. The patients were randomized with sealed envelope method and each envelope was randomly assigned from this set of envelops to be either in case group one (video group) or control groups two (no audio and video and only head phone on their ears) group. In all patients, systolic and diastolic blood pressure, pulse rate and SPO2 were measured and recorded in the questionnaire charts. Results: Of the 80 patients with Lumbar disk herniation, 53 patients were male and 27 female. The mean age for all patients was 44 year. Systolic and diastolic blood pressure at the end of surgery was significantly lower in video group ( P=0.045 and 0.004). Systolic Blood pressure differences between 3 ^rd and 5 ^th and the end of the surgery with minute zero was significantly less in the video group. ( P=0.025, 0.018 and 0.030). Diastolic blood pressure differences between 3 ^rd and 5 ^th and the end of the surgery with minute zero was significantly less in the video group.( P=0.051, 0.019 and 0.15). Pulse rate differences between first, 3 ^rd , 5 ^th and exactly before leaving the recovery room with minute zero was significantly less in the video group. ( P=0.015, 0.028, 0.030 and 0.008). Conclusion: According to our study, by displaying patient's favorite video clip during the surgical intervention we could highly reduce the patient`s attention to what is happening in operating room and therefore, decrease their anxiety and stress.

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Background: The three phases of living donor liver transplantation (LDLT) represent different liver conditions. The aim is to study the required end-tidal desflurane concentration (ET-Des) guided with entropy monitoring for the depth of anesthesia. Methods: After the Ethics and Research Committee approval, 40 patients were included in this prospective study. Anesthesia was maintained with Desflurane-O2-air. State entropy (SE) and Response entropy (RE) were kept between 40 and 60. Results: Age and Model for End-stage Liver Disease (MELD) score were 45±10 years and 15.43±3.92, respectively. ET-Des were significantly lower in the anhepatic phase (2.8±0.4%) than in the pre-anhepatic and neohepatic phases (3.3±0.3%, 3.47±0.3%, respectively, P<0.001). The SE and RE for pre-anhepatic, anhepatic, and neohepatic phases were (45.6±3.7, 47.4±3.2), (44.7±2.1, 46.4±2.04), and (46.1±3.3, 47.9±3.3), respectively, with no significant changes between the phases, P > 0.05. Total operative time was 651±88 minutes, and for each phase it was 276±11, 195±55, and 191±24 minutes, respectively. Significant changes were found in hemoglobin g/dl and hematocrit % between the three phases (10.28±1.5, 30.48±4.3), (9.45±1.34, 28.36±4.1), and (8.88±1.1, 26.63±3.5), P<0.05. The heart rate and mean blood pressures were stable despite the cardiac index demonstrated a significant reduction during the anhepatic phase (2.99±0.22) when compared to the pre-anhepatic and neohepatic phases (3.60±0.29) and (4.72±0.32), respectively, ( P<0.05). There was a significant correlation between CI and ET-Des% (r=0.604, P<0.05). Conclusion: Inhalational anesthetic requirements differed from one phase to another during LDLT, with requirements being the least during the anhepatic phase. Monitoring of the anesthesia depth was required, to avoid excess administration, which could compromise the hemodynamics before the critical time of reperfusion.

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