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Journal Article
Hasanin, A., and Y. Hassabelnaby, "Perioperative non-invasive haemodynamic optimisation: Is photoplethysmography really useless?", Anaesthesia Critical care & Pain Medicine, vol. 39, pp. 625, 2020.
ahmed lotfy, A. Hasanin, M. Rashad, M. Mostafa, D. Saad, M. Mahmoud, W. Hamimy, and A. Z. Fouad, "Peripheral perfusion index as a predictor of failed weaning from mechanical ventilation.", Journal of clinical monitoring and computing, vol. 35, issue 2, pp. 405-412, 2021. Abstract

We hypothesized that impairment of peripheral perfusion index (PPI) during spontaneous breathing trial (SBT) might be predictive of weaning failure. We included 44 consecutive, adult, patients, who were scheduled for weaning after at least 48 h of invasive mechanical ventilation in this prospective observational study. Weaning failure was defined as failed SBT or reintubation within 48 h of extubation. PPI readings were obtained before initiation of the SBT, and every 5 min till the end of the SBT. PPI ratio was calculated at every time point as: PPI value/ baseline PPI. The primary outcome was the accuracy of PPI ratio at the end of the SBT in detecting failed weaning. Forty-three patients were available for the final analysis. Eighteen patients (42%) were considered failed weaning. PPI ratio was higher in patients with successful weaning compared to patients with failed weaning during the last 15 min of the SBT. PPI ratio at the end of SBT was higher in patients with successful weaning compared to patients with failed weaning. PPI ratio at the end of SBT had good predictive ability for weaning failure {area under receiver operating characteristic curve (95% confidence interval): 0.833(0.688-0.929), cutoff value ≤ 1.41}. The change in PPI during SBT is an independent predictor for re-intubation. PPI could be a useful tool for monitoring the patient response to SBT. Patients with successful weaning showed higher augmentation of PPI during the SBT compared to re-intubated patients. Failure of augmenting the PPI by 41% at the end of SBT could predict re-intubation with negative predictive value of 95%. Clinical trial identifier: NCT03974568.

Hasanin, A., and M. Abdulatif, "Phenylephrine and norepinephrine for the management of spinal-induced hypotension in preeclamptic patients: Hypothesis-study design mismatch.", European journal of anaesthesiology, vol. 39, issue 3, pp. 291-292, 2022.
Elshal, M. M., A. M. Hasanin, M. Mostafa, and R. M. Gamal, "Plethysmographic Peripheral Perfusion Index: Could It Be a New Vital Sign?", Frontiers in medicine, vol. 8, pp. 651909, 2021. Abstract

The plethysmographic peripheral perfusion index (PPI) is a very useful parameter with various emerging utilities in medical practice. The PPI represents the ratio between pulsatile and non-pulsatile portions in peripheral circulation and is mainly affected by two main determinants: cardiac output and balance between sympathetic and parasympathetic nervous systems. The PPI decreases in cases of sympathetic predominance and/or low cardiac output states; therefore, it is a useful predictor of patient outcomes in critical care units. The PPI could be a surrogate for cardiac output in tests for fluid responsiveness, as an objective measure of pain especially in un-cooperative patients, and as a predictor of successful weaning from mechanical ventilation. The PPI is simple to measure, easy to interpret, and has continuously displayed variables, making it a convenient parameter for detecting the adequacy of blood flow and sympathetic-parasympathetic balance.

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.

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.

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.
Hasanin, A., T. Zanata, S. Osman, Y. Abdelwahab, R. Samer, M. Mahmoud, M. Elsherbiny, K. Elshafaei, F. Morsy, and A. Omran, "Pulse Pressure Variation-Guided Fluid Therapy during Supratentorial Brain Tumour Excision: A Randomized Controlled Trial.", Open Access Macedonian Journal of Medical Sciences, vol. 7, issue 15, pp. 2474-2479, 2019.
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.
Hasanin, A., and M. Mostafa, "A reply to a letter", Journal of anesthesia, vol. 34, pp. 631, 2020.
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.
Ali, T. M., R. Elwy, B. A. E. Razik, M. A. R. Soliman, M. F. Alsawy, A. Abdullah, E. Ahmed, S. Zaki, A. A. Salem, M. A. Katri, et al., "Risk factors of congenital hydrocephalus: a case-control study in a lower-middle-income country (Egypt).", Journal of neurosurgery. Pediatrics, vol. 31, issue 5, pp. 397-405, 2023. Abstract

OBJECTIVE: Hydrocephalus is the most common brain disorder in children and is more common in low- and middle-income countries. Research output on hydrocephalus remains sparse and of lower quality in low- and middle-income countries compared with high-income countries. Most studies addressing hydrocephalus epidemiology are retrospective registry studies entailing their inherent limitations and biases. This study aimed to investigate child-related, parental, and socioeconomic risk factors of congenital hydrocephalus (CH) in a lower-middle-income country.

METHODS: An investigator-administered questionnaire was used to query parents of patients with CH and controls who visited the authors' institution from 2017 until 2021. Patients with secondary hydrocephalus and children older than 2 years of age at diagnosis were excluded. Uni- and multivariable logistic regression was performed to identify the factors affecting CH development.

RESULTS: Seven hundred forty-one respondents (312 cases and 429 controls) were included in this study. The authors showed that maternal diseases during pregnancy (OR 3.12, 95% CI 1.96-5.03), a lack of periconceptional folic acid intake (OR 1.92, 95% CI 1.32-2.81), being a housewife (OR 2.66, 95% CI 1.51-4.87), paternal illiteracy (OR 1.65, 95% CI 1.02-2.69), parental consanguinity (OR 3.67, 95% CI 2.40-5.69), a history of other CNS conditions in the family (OR 2.93, 95% CI 1.24-7.34), conceiving a child via assisted fertilization techniques (OR 3.93, 95% CI 1.57-10.52), and the presence of other congenital anomalies (OR 2.57, 95% CI 1.38-4.87) were associated with an independent higher odds of a child having CH. Conversely, maternal hypertension (OR 0.22, 95% CI 0.09-0.48), older maternal age at delivery (OR 0.93, 95% CI 0.89-0.97), and having more abortions (OR 0.80, 95% CI 0.67-0.95) were negatively correlated with CH.

CONCLUSIONS: Multiple parental, socioeconomic, and child-related factors were associated with higher odds for developing CH. These results can be utilized to guide parental counseling and management, and direct social education and prevention programs.

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.
Hasanin, A., M. N. Salem, and M. Abdulatif, "Should we infuse more fluids in liver resection surgery?", European journal of anaesthesiology, vol. 39, issue 9, pp. 789-790, 2022.
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.
Gamal, M., A. Hasanin, N. Adly, M. Mostafa, A. M. Yonis, A. Rady, N. M. AbdAllah, M. Ibrahim, and M. Elsayad, "Thermal Imaging to Predict Failed Supraclavicular Brachial Plexus Block: A Prospective Observational Study.", Local and regional anesthesia, vol. 16, pp. 71-80, 2023. Abstract

BACKGROUND: Successful brachial plexus blockade produces sympathetic blockade, resulting in increased skin temperature in the blocked segments. This study aimed to evaluate the accuracy of infrared thermography in predicting failed segmental supraclavicular brachial plexus block.

METHODS: This prospective observational study included adult patients undergoing upper-limb surgery under supraclavicular brachial plexus block. Sensation was evaluated at the dermatomal distribution of the ulnar, median, and radial nerves. Block failure was defined as absence of complete sensory loss 30 min after block completion. Skin temperature was evaluated by infrared thermography at the dermatomal supply of the ulnar, median, and radial nerves at baseline, 5, 10, 15, and 20 min after block completion. The temperature change from the baseline measurement was calculated for each time point. Outcomes were the ability of temperature change at each site to predict failed block of the corresponding nerve using area under receiver-operating characteristic curve (AUC) analysis.

RESULTS: Eighty patients were available for the final analysis. The AUC (95% confidence interval [CI]) for the ability of temperature change at 5 min to predict failed ulnar, median, and radial nerve block was 0.79 (0.68-0.87), 0.77 (0.67-0.86), and 0.79 (0.69-0.88). The AUC (95% CI) increased progressively and reached its maximum values at 15 min (ulnar nerve 0.98 [0.92-1.00], median nerve 0.97 [0.90-0.99], radial nerve 0.96 [0.89-0.99]) with negative predictive value of 100%.

CONCLUSION: Infrared thermography of different skin segments provides an accurate tool for predicting failed supraclavicular brachial plexus block. Increased skin temperature at each segment can exclude block failure in the corresponding nerve with 100% accuracy.

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.
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.
Hasanin, A., and M. Mostafa, "Tocilizumab in patients with COVID-19: which patient, time, and dose?", Journal of anesthesia, 2021. Abstract

Tocilizumab (TCZ) is a recombinant anti-interleukin-6 monoclonal antibody which showed uprising evidence as an anti-inflammatory agent which modulates the cytokine storm in patients with COVID-19. However, proper use of the drug requires selection of the appropriate patient and timing. The two main factors which might improve patient selection are the degree of respiratory failure and systemic inflammation. TCZ can decrease the mortality and progression to invasive mechanical ventilation in patients with severe COVID-19 who are not yet invasively ventilated. However, its use in invasively ventilated patients did not yet gain the same level of evidence especially when administered after > 1 day from mechanical ventilation. Being an anti-inflammatory and immunomodulatory drug, TCZ was mostly used in patients with COVID-19 who have clear signs of cytokine storm. However, the drug still showed positive response in some studies which did not strictly select patients with elevated markers of systemic inflammation. Thus, it is warranted to investigate and/or re-analyze the role of the drug in patients with severe COVID-19 and with no signs of systemic inflammation. TCZ is used in a dose of 8 mg/kg which can be repeated if there was no clinical improvement. However, there are no clear criteria for judgment of the success of the first dose. Being a drug with a major effect on gross outcomes in a serious pandemic with millions of mortalities, TCZ should be meticulously investigated to reach definitive indications and number of doses to avoid drug overuse, shortage, and side effects.

Nassar, H., A. Hasanin, M. Sewilam, H. Ahmed, M. Abo-elsoud, O. Taalab, A. Rady, and H. A. Zoheir, "Transmuscular Quadratus Lumborum Block versus Suprainguinal Fascia Iliaca Block for Hip Arthroplasty: A Randomized, Controlled Pilot Study.", Local and regional anesthesia, vol. 14, pp. 67-74, 2021. Abstract

Background: This study aimed to investigate the analgesic efficacy and motor block profile of single-shot transmuscular quadratus lumborum block (QLB) in comparison with those of suprainguinal fascia iliaca block (FIB) in patients undergoing hip arthroplasty.

Methods: This randomized, double-blinded, controlled trial included adult patients undergoing hip arthroplasty under spinal anesthesia. Patients were allocated to one of two groups according to the regional block received: FIB group (n=19) or QLB group (n=17). Both study groups were compared with regard to the duration of analgesia (primary outcome), block performance time, pain during positioning for spinal anesthesia, total morphine consumption in the first postoperative 24-h period, quadriceps muscle power, and static and dynamic visual analog scale.

Results: Thirty-six patients were included in the final analysis. Both study groups had comparable durations of analgesia. Postoperative visual analog scale (static and dynamic) values were comparable between the two groups in most readings. The block performance time was shorter in the FIB group. The number of patients with pain during positioning for the subarachnoid block was lower in the QLB group. The total morphine requirement during the first 24 h was marginally lower in the FIB group, whereas the quadriceps motor grade was higher in the FIB group than in the QLB group at 4 h and 6 h after surgery.

Conclusion: Both single-shot blocks, namely the suprainguinal FIB and transmuscular QLB, provide effective postoperative analgesia after hip arthroplasty. FIB showed slightly lower 24-h morphine consumption, while QLB showed better quadriceps motor power.

Clinical Trial Registration: The study was registered at clinical trials registry system before enrollment of the first participant (NCT04005326; initial release date, 2 July 2019;

Sarhan, K. A., H. Hasaneen, A. Hasanin, H. Mohammed, R. Saleh, and A. Kamel, "Ultrasound Assessment of Gastric Fluid Volume in Children Scheduled for Elective Surgery After Clear Fluid Fasting for 1 Versus 2 Hours: A Randomized Controlled Trial.", Anesthesia and analgesia, vol. 136, issue 4, pp. 711-718, 2023. Abstract

BACKGROUND: This study aimed to compare the gastric fluid volume (GFV) in children who fasted 1 versus 2 hours using ultrasound, after ingestion of a defined volume of clear fluid.

METHODS: Children scheduled for elective surgery were enrolled in this randomized, double-blinded, controlled trial. After receiving 3 mL kg -1 clear fluid, participants were randomized to have a gastric ultrasound after fasting for either 1 hour (1-hour group, n = 116) or 2 hours (2-hour group, n = 111). Our primary outcome was the GFV. Other outcomes included the antral cross-sectional area, frequency of high risk and low risk of aspiration, and qualitative grading for the gastric antrum.

RESULTS: Two hundred and twenty-seven children were available for final analysis. The median (Q1-Q3) GFV was higher in the 1-hour group versus the 2-hour group (0.61 [0.41-0.9] mL kg -1 vs 0.32 [0.23-0.47] mL kg -1 ; P value = .001). None of the study groups had GFV ≥1.5 mL kg -1 . The frequency (%) of GFV ≥1.25 mL kg -1 was comparable between both groups (2 [1.7%] vs 0 [0%], P value = .165). However, the frequency of GFV ≥0.8 mL kg -1 was higher in 1-hour group than in 2-hour group (34.5% vs 4.5%), and grade 2 antral grading score was 56.9% in 1-hour group vs 0.9% in 2-hour group ( P value <.001).

CONCLUSIONS: In healthy children scheduled for elective surgery receiving 3 mL kg -1 clear fluid, the median GFV after 1-hour fasting was double the volume after conventional 2-hour fasting. These findings should be considered whether weighting the risk/benefit of a liberal approach to preoperative fasting versus the risk of pulmonary aspiration.

Hasanin, A. M., A. Abou Amer, Y. S. Hassabelnaby, M. Mostafa, A. Abdelnasser, S. M. Amin, M. Elsherbiny, and S. Refaat, "The use of epinephrine infusion for the prevention of spinal hypotension during Caesarean delivery: A randomized controlled dose-finding trial.", Anaesthesia, critical care & pain medicine, vol. 42, issue 3, pp. 101204, 2023. Abstract

BACKGROUND: This study aimed to compare three epinephrine doses for the prevention of spinal hypotension during Caesarean delivery.

METHODS: This randomized controlled trial included full-term pregnant women undergoing elective Caesarean delivery under spinal anesthesia. The participants received prophylactic epinephrine infusions at rates of 0.01, 0.02, or 0.03 mcg/kg/min. Spinal hypotension (systolic blood pressure <80% of baseline) was managed with a 9-mg ephedrine bolus. The primary outcome was the incidence of spinal hypotension. Secondary outcomes included total ephedrine requirement, the incidence of severe spinal hypotension, excessive tachycardia and hypertension, and neonatal outcomes.

RESULTS: The final analysis included 271 patients. The incidence of hypotension was lowest in the 0.03 mcg group (11/90 [12%]), followed by the 0.02 mcg (32/91 [35%]) and the 0.01 mcg (55/90 [61%]) groups (p < 0.001). The median ephedrine requirements (quartiles) were also the lowest in the 0.03 mcg group (0 [0-0] mg), followed by the 0.02 mcg (0 [0-9] mg) and the 0.01 mcg (9 [0-18] mg) groups. The incidence of severe hypotension was lower in the 0.03 mcg and 0.02 mcg groups than in the 0.01 mcg group (3/90 [3%], 5/91 [6%], and 15/90 [17%], respectively). The incidences of excessive tachycardia, hypertension, and neonatal outcomes were comparable among the groups.

CONCLUSION: The use of epinephrine to prevent spinal hypotension during Caesarean delivery is feasible and effective. An initial dose of 0.03 mcg/kg/min produced the lowest incidence of hypotension compared to 0.02 mcg/kg/min and 0.01 mcg/kg/min doses. The three doses were comparable in terms of the incidence of tachycardia, hypertension, and neonatal outcomes.

STUDY REGISTRATION: Identifier: NCT05279703.

Shaker, A., A. Hasanin, M. Nagy, M. Mostafa, A. Z. Fouad, H. Mohamed, A. S. Abdallah, and M. Elsayad, "The Use of Lactate-Capillary Refill Time Product as Novel Index for Tissue Perfusion in Patients with Abdominal Sepsis: A Prospective Observational Study.", International journal of general medicine, vol. 15, pp. 7443-7448, 2022.
Hasanin, A., A. Aboelela, M. Mostafa, R. M. Mansour, and A. Kareem, "The Use of Topical Nitroglycerin to Facilitate Radial Arterial Catheter Insertion in Children: A Randomized Controlled Trial.", Journal of cardiothoracic and vascular anesthesia, vol. 34, issue 12, pp. 3354-3360, 2020. Abstract

OBJECTIVES: To determine whether the use of topical nitroglycerin patch increases radial artery diameter and facilitate cannulation in children.

DESIGN: Randomized controlled trial.

SETTING: Cairo University Hospital.

PARTICIPANTS: Children aged 2 to 8 years old scheduled for cardiac surgery.

INTERVENTION: In the nitroglycerin group (n = 20), a gauze-covered, half-sized nitroglycerin patch (5 mg) was applied at the site of radial pulsation 1 hour before induction of anesthesia. In the control group (n = 20), a gauze pad was applied to the bare skin at the site of radial pulsation with no intervention.

MEASUREMENTS AND MAIN RESULTS: The primary outcome was the diameter of the radial artery in both limbs using ultrasonography. Other outcomes included the degree of arterial palpability, number of arterial punctures, and incidence of successful first puncture cannulation. The radial artery diameter increased after 30 minutes and 60 minutes compared with the baseline value in the nitroglycerin group in both limbs, whereas no change was reported in the radial artery diameter in the control group. The nitroglycerin group showed a greater incidence of successful first cannulation trial, a fewer number of trials, and a shorter cannulation time compared with the control group. There were no significant hypotensive episodes in any patient.

CONCLUSION: Local application of a half-sized, 5 mg nitroglycerin patch for 60 minutes in children increased the radial artery diameter bilaterally, increased the rate of first trial success, and decreased the time needed for arterial cannulation without significant hypotensive episodes.