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Abdelhakeem, A. K., A. Amin, A. Hasanin, A. Mukhtar, akram eladawy, and S. Kassem, "Validity of Pulse Oximetry-derived Peripheral Perfusion Index in Pain Assessment in Critically Ill Intubated Patients.", The Clinical journal of pain, vol. 37, issue 12, pp. 904-907, 2021. Abstract

OBJECTIVES: Evaluation of pain in critically ill intubated patients is difficult and subjective. This study aimed to evaluate the accuracy of oximetry-derived peripheral perfusion index (PPI) in pain assessment in critically ill intubated patients using the behavioral pain scale (BPS) as a reference.

MATERIALS AND METHODS: This prospective observational study included 35 adult mechanically ventilated surgical patients during their first 2 postoperative days in the intensive care unit. Values of PPI, BPS, Richmond Agitation Sedation Scale (RASS), heart rate, and blood pressure were obtained before and after a standard painful stimulus (changing the patient position) and the ratio between the second and the first reading was calculated to determine the change (Δ) in all variables. The outcomes were the correlation between ΔBPS and ΔPPI as well as other hemodynamic parameters. The ability of the PPI to detect pain (defined as BPS ≥6) was analyzed using the area under receiver operating characteristic curve.

RESULTS: Paired readings were obtained from 35 patients. After the standard painful stimulus, the PPI decreased while the BPS and the Richmond agitation sedation scale increased. The Spearman correlation coefficient (95% confidence interval) between Δ PPI and Δ BPS was 0.41 (0.09-0.65). PPI values showed poor accuracy in detecting pain with area under receiver operating characteristic curve (95% confidence interval): 0.65 (0.53-0.76), with best cutoff value of ≤2.7.

CONCLUSION: The PPI decreased after application of a standard painful stimulus in critically ill intubated patients. ∆PPI showed a low correlation with ∆BPS, and a PPI of ≤2.7 showed a low ability to detect BPS ≥6. Therefore, PPI should not be used for pain evaluation in critically ill intubated surgical patients.

Abdelnasser, A., B. Abdelhamid, A. Elsonbaty, A. Hasanin, and A. Rady, "Predicting successful supraclavicular brachial plexus block using pulse oximeter perfusion index.", British journal of anaesthesia, vol. 119, issue 2, pp. 276-280, 2017 Aug 01. Abstract

Background: Supraclavicular nerve block is a popular approach for anaesthesia for upper limb surgeries. Conventional methods for evaluation of block success are time consuming and need patient cooperation. The aim of this study was to evaluate whether the perfusion index (PI) can be used to predict and provide a cut-off value for ultrasound-guided supraclavicular nerve block success.

Methods: The study included 77 patients undergoing elective orthopaedic procedures under ultrasound-guided supraclavicular nerve block. After local anaesthetic injection, sensory block success was assessed every 3 min by pinprick, and motor block success was assessed every 5 min by the ability to flex the elbow and the hand against resistance. The PI was recorded at baseline and at 10, 20, and 30 min after anaesthetic injection in both blocked and non-blocked limbs. The PI ratio was calculated as the PI after 10 min divided by the PI at the baseline. Receiver operating characteristic curves were constructed for the accuracy of the PI in detection of block success.

Results: The PI was higher in the blocked limb at all time points, and this was paralleled by a higher PI ratio compared with the unblocked limb. Both the PI and the PI ratio at 10 min after injection showed a sensitivity and specificity of 100% for block success at cut-off values of 3.3 and 1.4, respectively.

Conclusions: The PI is a useful tool for evaluation of successful supraclavicular nerve block. A PI ratio of > 1.4 is a good predictor for block success.

Abdulatif, M., M. Fawzy, H. Nassar, A. Hasanin, M. Ollaek, and H. Mohamed, "The effects of perineural dexmedetomidine on the pharmacodynamic profile of femoral nerve block: a dose-finding randomised, controlled, double-blind study", Anaesthesia, vol. 71, issue 10, pp. 1177-85, 2016.
Adel, A., W. Awada, B. A. Elhamid, H. Omar, O. A. E. Dayem, A. Hasanin, and A. Rady, "Accuracy and trending of non-invasive hemoglobin measurement during different volume and perfusion statuses.", Journal of clinical monitoring and computing, 2018 Jan 15. Abstract

The evolution of non-invasive hemoglobin measuring technology would save time and improve transfusion practice. The validity of pulse co-oximetry hemoglobin (SpHb) measurement in the perioperative setting was previously evaluated; however, the accuracy of SpHb in different volume statuses as well as in different perfusion states was not well investigated. The aim of this work is to evaluate the accuracy and trending of SpHb in comparison to laboratory hemoglobin (Lab-Hb) during acute bleeding and after resuscitation. Seventy patients scheduled for major orthopedic procedures with anticipated major blood loss were included. Radical-7 device was used for continuous assessment of SpHb, volume status [via pleth variability index (PVI)] and perfusion status [via perfusion index (PI)]. Lab-Hb and SpHb were measured at three time-points, a baseline reading, after major bleeding, and after resuscitation. Samples were divided into fluid-responsive and fluid non-responsive samples, and were also divided into high-PI and low-PI samples. Accuracy of SpHb was determined using Bland-Altman analysis. Trending of SpHb was evaluated using polar plot analysis. We obtained 210 time-matched readings. Fluid non-responsive samples were 106 (50.5%) whereas fluid responsive samples were 104 (49.5%). Excellent correlation was reported between Lab-Hb and SpHb (r = 0.938). Excellent accuracy with moderate levels of agreement was also reported between both measures among all samples, fluid non-responsive samples, fluid-responsive samples, high-PI samples, and low-PI samples [Mean bias (limits of agreement): 0.01 (- 1.33 and 1.34) g/dL, - 0.08 (- 1.27 and 1.11) g/dL, 0.09 (- 1.36 and 1.54) g/dL, 0.01 (- 1.34 to 1.31) g/dL, and 0.04 (- 1.31 to 1.39) g/dL respectively]. Polar plot analysis showed good trending ability for SpHb as a follow up monitor. In conclusion, SpHb showed excellent correlation with Lab-Hb in fluid responders, fluid non-responders, low-PI, and high PI states. Despite a favorable mean bias of 0.01 g/dL for SpHb, the relatively wide levels of agreement (- 1.3 to 1.3 g/dL) might limit its accuracy. SpHb showed good performance as a trend monitor.

Ahmed Hasanin, Akram Eladawy, H. M. Y. S. I. A. L. H. M. D. G. A. M., "Prevalence of extensively drug-resistant gram negative bacilli in surgical intensive care in Egypt", Pan African Medical Journal, vol. 19, pp. 177, 2014.
Ahmed Mukhtar, Ahmed Hasanin, G. O. A. A., "Intraoperative Terlipressin Therapy Reduces the Incidence of Postoperative Acute Kidney Injury After Living Donor Liver Transplantation", Journal of cardiothoracic and vascular anesthesia, 2015.
Elhamid, B. A., mohamed emam, M. Mostafa, A. Hasanin, W. Awada, A. Rady, and H. Omar, "The ability of perfusion index to detect segmental ulnar nerve sparing after supraclavicular nerve block.", Journal of clinical monitoring and computing, vol. 34, issue 6, pp. 1185-1191, 2020. Abstract

Supraclavicular nerve block (SCB) is a commonly used regional block for upper extremity surgery. The most common form of failure of SCB is ulnar segmental sparing. We aimed to evaluate the accuracy of perfusion index (PI) in early detection of segmental sparing of the ulnar component of SCB. A prospective observational study included adult patients scheduled for surgery under ultrasound-guided SCB. PI was simultaneously measured at the index finger and little finger. PI was recorded every minute for the first 10 min after SCB. PI ratio was calculated at every measurement point as PI/baseline PI. The area under the receiver operating characteristic (AUROC) curve was calculated for the ability of PI ratio to detect segmental ulnar sparing with comparison of little finger readings to the index finger readings. Forty-nine patients were available for the final analysis. Nine patients (18%) had segmental ulnar sparing. PI ratio at the little finger showed excellent predictive ability for ulnar sparing starting from the fifth minute (AUROC 0.92 [0.8-0.98], cutoff value ≤ 1.71) and reached the highest value at the seventh minute (AUROC 0.96 [0.86-1], cutoff value ≤ 1.35), whereas PI ratio at the index finger showed poor predictive ability. When using the PI for evaluation of successful SCB, segmental ulnar sparing could be accurately detected when the PI was measured at the little finger and not at the index finger. An increase of 71% in PI at the little finger 5 min after SCB could accurately rule out ulnar sparing.Clinical trial identifier NCT03880201. Clinical trial registration .

Elmetwally, S. A., A. Hasanin, L. Sobh, M. Gohary, K. Sarhan, and D. Ghazy, "Semi-sitting position enhances gastric emptying of clear fluids in children: A randomized controlled trial", Egyptian Journal of Anaesthesia, vol. 36, pp. 170-175, 2020.
Eltrabili, H. H., A. Hasanin, M. S. Soliman, A. M. Lotfy, W. I. Hamimy, and A. H. M. E. D. M. MUKHTAR, "Evaluation of Diaphragmatic Ultrasound Indices as Predictors of Successful Liberation From Mechanical Ventilation in Subjects With Abdominal Sepsis", Respiratory Care, vol. 64, issue 5, pp. 564-569, 2019.
Fathy, S., A. Hasanin, M. Mostafa, E. Ramzy, K. Sarhan, T. Almenesey, A. G. Safina, Osama Hosny, G. A. Hamden, A. A. Gado, et al., "The benefit of adding lidocaine to ketamine during rapid sequence endotracheal intubation in patients with septic shock: A randomised controlled trial.", Anaesthesia, critical care & pain medicine, vol. 40, issue 1, pp. 100731, 2021. Abstract

BACKGROUND: Patients with septic shock commonly require endotracheal intubation under general anaesthesia in the operating theatre, the emergency department, and the intensive care unit. Hypotension is a serious complication after induction of general anaesthesia, especially in patients with circulatory failure. No randomised controlled trials had previously investigated protocols for induction of anaesthesia in septic shock patients. The aim of the current work is to compare two protocols, lidocaine-ketamine combination versus ketamine full-dose for rapid-sequence endotracheal intubation in patients with septic shock.

METHODS: Forty-four adult patients, with septic shock, scheduled for emergency surgical intervention were enrolled in this randomised, double-blinded, controlled study. Patients were randomised to receive either 1 mg/kg ketamine (ketamine group, n = 22) or 0.5 mg/kg ketamine plus 1 mg/kg lidocaine (ketamine-lidocaine group, n = 22) for induction of anaesthesia in addition to 0.05 mg/kg midazolam (in both groups). Our primary outcome was the mean arterial pressure (MAP). Other outcomes included frequency of post-induction hypotension, heart rate, and cardiac output.

RESULTS: Forty-three patients were available for final analysis. The average MAP reading in the first 5 min post-induction was higher in ketamine-lidocaine group than in the ketamine group {82.8 ± 5.6 mmHg and 73 ± 10.2 mmHg, P < 0.001}. Furthermore, the incidence of post-intubation hypotension was lower in the ketamine-lidocaine group than in the ketamine group {1 patient (5%) versus 17 patients (77%), P < 0.001}. The ketamine-lidocaine group showed higher MAP in almost all the readings after induction compared to ketamine group. Other haemodynamic variables including cardiac output and heart rate were comparable between both study groups.

CONCLUSION: Lidocaine-ketamine combination showed less incidence of hypotension compared to ketamine full-dose when used for rapid-sequence endotracheal intubation in patients with septic shock. REGISTRATION URL:;rank=1.

Fathy, S., A. Hasanin, M. Raafat, M. Mostafa, A. fetouh, M. E. Sayed, E. M. Badr, H. M. Kamal, and A. Z. Fouad, "Thoracic fluid content: a novel parameter for predicting failed weaning from mechanical ventilation", Journal of intensive care, vol. 8, pp. 20, 2020.
Gamal, M., B. A. Elhamid, D. Zakaria, O. A. E. Dayem, A. Rady, M. Fawzy, and A. Hasanin, "Evaluation of Noninvasive Hemoglobin Monitoring in Trauma Patients with Low Hemoglobin Levels.", Shock (Augusta, Ga.), vol. 49, issue 2, pp. 150-153, 2018 Feb. Abstract

OBJECTIVE: Bleeding is a leading cause of death among trauma patients. Delayed assessment of blood hemoglobin level might result in either unnecessary blood transfusion in nonindicated patients or delayed blood transfusion in critically bleeding patients. In this study, we evaluate the precision of noninvasive hemoglobin monitoring in trauma patients with low hemoglobin levels.

METHODS: We included trauma patients with low hemoglobin levels (less than 8 g/dL) scheduled for surgical intervention. Blood samples were obtained on admission and after each blood unit with concomitant measurement of serum hemoglobin using radical-7 Masimo device. The change in blood hemoglobin after every transfused blood unit was also assessed by both methods (change in noninvasive Masimo hemoglobin [Delta-Sp-Hb] and change in laboratory hemoglobin [Delta-Lab-Hb]). The precision of Masimo hemoglobin level (Sp-Hb) compared with Laboratory hemoglobin level (Lab-Hb) was determined using both Bland-Altman and Pearson correlation analyses.

RESULTS: One hundred eighty-four time-matched samples were available for final analysis. Bland-Altman analysis showed excellent accuracy of Sp-Hb compared with Lab-Hb with mean bias of 0.12 g/dL and limits of agreement between -0.56 g/dL and 0.79 g/dL. Excellent correlation was reported between both measures with Pearson correlation coefficient of 0.872. Excellent agreement was also reported between both Delta-Sp-Hb and Delta-Lab-Hb with mean bias of -0.05 and limits of agreement from -0.62 to 0.51 CONCLUSIONS:: Sp-Hb showed accurate precision in both absolute values and trend values compared with Lab-Hb measurement in trauma patients with low hemoglobin levels.

Ghaith, D. M., R. M. Hassan, and A. Hasanin, "Rapid identification of nosocomial Acinetobacter baumannii isolated from a surgical intensive care unit in Egypt", Annals of Saudi Medicine, vol. 35, issue 6, pp. 440-4, 2015.
Habib, S., A. Mukhtar, H. Abdelreeem, M. Khorshied, R. E. Sayed, M. Hafez, H. Gouda, doaa ghaith, A. Hasanin, A. El-adawy, et al., "Diagnostic values of CD64, C-reactive protein and procalcitonin in ventilator-associated pneumonia in adult trauma patients: a pilot study", Clinical Chemistry and Laboratory Medicine, vol. 54, issue 5, pp. 889-95, 2016.
Hammad, Y., A. Hasanin, A. Elsakka, A. Refaie, D. Abdelfattah, and S. A. El Rahman, "Thoracic Fluid Content: A Novel Parameter for Detection of Pulmonary Edema in Parturients With Preeclampsia", Journal of Clinical Monitoring and Computing, vol. 33, issue 4, pp. 413-418, 2019.
Hasanin, A., M. Abdulatif, and M. Mostafa, "Maternal hypotension and neonatal sequelae. Comment on Br J Anaesth 2020; 125: 588-95.", British journal of anaesthesia, vol. 127, issue 1, pp. e10-e11, 2021.
Hasanin, A., K. Taha, B. A. Elhamid, and S. M. Amin, "Evaluation of the effects of dexmedetomidine infusion on oxygenation and lung mechanics in morbidly obese patients with restrictive lung disease", BMC Anesthesiology, vol. 18, issue 1, pp. 104, 2018.
Hasanin, A., "Reply to: Pulse oximeter perfusion index for assessment of brachial plexus block: a holy grail or a design fail?", British journal of anaesthesia, vol. 119, issue 6, pp. 1239, 2017 Dec 01.
Hasanin, A., and M. Mostafa, "Evaluation of fluid responsiveness during COVID-19 pandemic: what are the remaining choices?", Journal of anesthesia, vol. 34, pp. 758-764, 2020.
Hasanin, A., A. Mukhtar, and A. Mokhtar, "Syrian revolution: A field hospital under attack", American Journal Of Disaster Medicine, vol. 8, issue 4, pp. 259-65, 2013.
Hasanin, A. M., A. M. Mokhtar, S. M. Amin, and A. A. Sayed, "Preprocedural ultrasound examination versus manual palpation for thoracic epidural catheter insertion.", Saudi journal of anaesthesia, vol. 11, issue 1, pp. 62-66, 2017 Jan-Mar. Abstract

BACKGROUND AND AIMS: Ultrasound imaging before neuraxial blocks was reported to improve the ease of insertion and minimize the traumatic trials. However, the data about the use of ultrasound in thoracic epidural block are scanty. In this study, pre-insertion ultrasound scanning was compared to traditional manual palpation technique for insertion of the thoracic epidural catheter in abdominal operations.

SUBJECTS AND METHODS: Forty-eight patients scheduled to midline laparotomy under combined general anesthesia with thoracic epidural analgesia were included in the study. Patients were divided into two groups with regard to technique of epidural catheter insertion; ultrasound group (done ultrasound screening to determine the needle insertion point, angle of insertion, and depth of epidural space) and manual palpation group (used the traditional manual palpation technique). Number of puncture attempts, number of puncture levels, and number of needle redirection attempts were reported. Time of catheter insertion and complications were also reported in both groups.

RESULTS: Ultrasound group showed lower number of puncture attempts (1 [1, 1.25] vs. 1.5 [1, 2.75],= 0.008), puncture levels (1 (1, 1) vs. 1 [1, 2],= 0.002), and needle redirection attempts (0 [0, 2.25] vs. 3.5 [2, 5],= 0.00). Ultrasound-guided group showed shorter time for catheter insertion compared to manual palpation group (140 ± 24 s vs. 213 ± 71 s= 0.00).

CONCLUSION: Preprocedural ultrasound imaging increased the incidence of first pass success in thoracic epidural catheter insertion and reduced the catheter insertion time compared to manual palpation method.

Hasanin, A., K. H. Mourad, I. Farouk, S. Refaat, A. Nabih, S. A. E. Raouf, and H. Ezzat, "The Impact of Goal-Directed Fluid Therapy in Prolonged Major Abdominal Surgery on Extravascular Lung Water and Oxygenation: A Randomized Controlled Trial.", Open Access Macedonian Journal of Medical Sciences, vol. 7, issue 8, pp. 1276-1281, 2019.
Hasanin, A., A. Aiyad, A. Elsakka, M. OSMAN, A. Kamel, A. Mokhar, S. Refaat, R. Fouad, and Y. Hassabelnaby, "Leg elevation decreases the incidence of post-spinal hypotension in cesarean section: a randomized controlled trial", BMC Anesthesiology, vol. 17, issue 1, pp. 60, 2017.
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.
Hasanin, A., S. Amin, N. Agiza, M. Hassan, and S. Refaat, "Norepinephrine Infusion for Preventing Postspinal Anesthesia Hypotension during Cesarean Delivery: A Randomized Dose-finding Trial.", Anesthesiology, vol. 130, issue 1, pp. 55-62, 2019.