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Hasanin, A., M. Mostafa, and M. Abdulatif, "Combined Thoracic Spinal-Epidural Anesthesia in Laparoscopic Sleeve Gastrectomy: a Risk-Benefit Assessment.", Obesity surgery, vol. 32, issue 6, pp. 2092-2093, 2022.
Hasanin, A. M., maha m mostafa, and M. Abdulatif, "Comment on: "Perioperative goal-directed therapy in high-risk abdominal surgery. A multicenter randomized controlled superiority trial".", Journal of clinical anesthesia, vol. 75, pp. 110557, 2021.
Lefrant, J. - Y., D. Benhamou, M. - O. Fischer, R. Pirracchio, B. Allaouchiche, S. Bastide, M. Biais, A. Blet, L. Bouvet, O. Brissaud, et al., "Comments on: Reducing the Risks of Nuclear War-The Role of Health Professionals.", Anaesthesia, critical care & pain medicine, pp. 101314, 2023.
Elsherbiny, M., A. Hasanin, S. Kasem, M. Abouzeid, M. Mostafa, A. Fouad, and Y. Abdelwahab, "Comparison of different ratios of propofol-ketamine admixture in rapid-sequence induction of anesthesia for emergency laparotomy: a randomized controlled trial.", BMC anesthesiology, vol. 23, issue 1, pp. 329, 2023. Abstract

BACKGROUND: We aimed to compare the hemodynamic effect of two ratios of propofol and ketamine (ketofol), namely 1:1 and 1:3 ratios, in rapid-sequence induction of anesthesia for emergency laparotomy.

METHODS: This randomized controlled study included adult patients undergoing emergency laparotomy under general anesthesia. The patients were randomized to receive either ketofol ratio of 1:1 (n = 37) or ketofol ratio of 1:3 (n = 37). Hypotension (mean arterial pressure < 70 mmHg) was managed by 5-mcg norepinephrine. The primary outcome was total norepinephrine requirements during the postinduction period. Secondary outcomes included the incidence of postinduction hypotension, and the intubation condition (excellent, good, or poor).

RESULTS: Thirty-seven patients in the ketofol-1:1 and 35 patients in the ketofol 1:3 group were analyzed. The total norepinephrine requirement was less in the ketofol-1:1 group than in the ketofol-1:3 group, P-values: 0.043. The incidence of postinduction hypotension was less in the ketofol-1:1 group (4 [12%]) than in ketofol-1:3 group (12 [35%]), P-value 0.022. All the included patients had excellent intubation condition.

CONCLUSION: In patients undergoing emergency laparotomy, the use of ketofol in 1:1 ratio for rapid-sequence induction of anesthesia was associated with less incidence of postinduction hypotension and vasopressor consumption in comparison to the 1:3 ratio with comparable intubation conditions.

CLINICAL TRIAL REGISTRATION: NCT05166330. URL: https://clinicaltrials.gov/ct2/show/NCT05166330 .

Amin, S. M., A. Hasanin, O. S. Elsayed, M. Mostafa, D. KHALED, A. S. Arafa, and A. Hassan, "Comparison of the hemodynamic effects of opioid-based versus lidocaine-based induction of anesthesia with propofol in older adults: a randomized controlled trial.", Anaesthesia, critical care & pain medicine, vol. 42, issue 4, pp. 101225, 2023. Abstract

BACKGROUND: The present study aims to compare the hemodynamic profile of lidocaine and fentanyl during propofol induction of general anesthesia.

METHODS: This randomized controlled trial included patients aged above 60 years undergoing elective non-cardiac surgery. The included patients received either 1 mg/kg lidocaine (n = 50) or 1 mcg/kg fentanyl (n = 50) based on total body weight with propofol induction of anesthesia. Patient's hemodynamics were recorded every minute for the first 5 min then every 2 min until 15 min after induction of anesthesia. Hypotension (mean arterial pressure [MAP] <65 mmHg or >30% reduction from baseline) was treated by intravenous 4 mcg bolus of norepinephrine. Outcomes included norepinephrine requirements (primary), the incidence of postinduction hypotension, MAP, heart rate, intubation condition, and postoperative delirium via the cognitive assessment method.

RESULTS: Forty-seven patients in the lidocaine group and 46 patients in the fentanyl group were analyzed. None in the lidocaine group experienced hypotension, while 28/46 (61%) of patients in the fentanyl group developed at least one episode of hypotension requiring a median (25th and 75th quartiles) norepinephrine dose of 4 (0,5) mcg, p-value <0.001 for both outcomes. The average MAP was lower in the fentanyl group than in the lidocaine group at all time points after anesthesia induction. The average heart rate was comparable between the two groups nearly at all time points after anesthesia induction. The overall intubation condition was comparable between the two groups. None of the included patients developed postoperative delirium.

CONCLUSION: Lidocaine-based regimen for induction of anesthesia reduced the risk of postinduction hypotension in older patients compared to the fentanyl-based regimen.

Hassabelnaby, Y. S., A. M. Hasanin, N. Adly, M. M. A. Mostafa, S. Refaat, E. fouad, M. Elsonbaty, H. A. Hussein, M. Mahmoud, Y. M. Abdelwahab, et al., "Comparison of two Norepinephrine rescue bolus for Management of Post-spinal Hypotension during Cesarean Delivery: a randomized controlled trial.", BMC anesthesiology, vol. 20, issue 1, pp. 84, 2020. Abstract

BACKGROUND: Data on the best norepinephrine bolus dose for management of hypotension are limited. The aim of this study was to compare the efficacy and safety of two norepinephrine bolus doses in the rescue management of maternal hypotension during cesarean delivery.

METHODS: This randomized, controlled trial included mothers scheduled for cesarean delivery with spinal anesthesia with a prophylactic norepinephrine infusion. Following spinal anaesthesia administration, a participant was considered hypotensive if systolic blood pressure was ≤80% compared to the baseline reading. Participants were allocated to receive either 6 mcg or 10 mcg norepinephrine bolus for the management of hypotensive episodes. The hemodynamic response after administration of norepinephrine bolus was recorded. The episode was considered successfully managed if systolic blood pressure returned to within 80% from the baseline reading within 2 min after norepinephrine bolus administration, and did not drop again within 6 min after the norepinephrine bolus. The primary outcome was the incidence of successful management of the first hypotensive episode. Other outcomes included systolic blood pressure, heart rate, incidence of maternal bradycardia, and reactive hypertension.

RESULTS: One hundred and ten mothers developed hypotensive episodes and received norepinephrine boluses for management. The number of successfully managed first hypotensive episodes was 50/57 (88%) in the 6 mcg-treated episodes and 45/53 (85%) in the 10 mcg-treated episodes (p = 0.78). Systolic blood pressure was comparable after administration of either bolus dose. Heart rate was lower after administration of 10 mcg bolus compared to 6 mcg bolus, without significant bradycardia requiring atropine administration. The incidence of reactive hypertension was comparable between both groups.

CONCLUSION: In mothers undergoing elective cesarean delivery under prophylactic norepinephrine infusion at 0.05 mcg/kg/min, there was no advantage to the use of 10 mcg norepinephrine bolus over 6 mcg norepinephrine bolus for the rescue management of first hypotensive episode. Neither of the 2 bolus doses reached a 100% success rate. The incidences of bradycardia and reactive hypertension were comparable between both norepinephrine doses.

TRIAL REGISTRATION: At clinicaltrial.gov registry system on January 4, 2019 Clinical trial identifier: NCT03792906.

Hasanin, A., K. de Vasconcellos, and M. Abdulatif, "COVID-19 in Africa: Current difficulties and future challenges considering the ACCCOS study.", Anaesthesia, critical care & pain medicine, vol. 40, issue 4, pp. 100912, 2021.
Sanfilippo, F., D. P. Gopalan, and A. Hasanin, "The COVID-19 pandemic: a gateway between one world and the next!", Anaesthesia, critical care & pain medicine, vol. 41, issue 5, pp. 101131, 2022.
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