Apala R Chowdhury, Ruma Thakuria, Souvik Maitra, Sayan Nath, Dalim K Baidya, Rajeshwari Subramanium, Rahul K Anand, Choro A Kayina
{"title":"Carotid artery corrected flow time and respiratory variation of blood flow peak velocity for prediction of hypotension after induction of general anesthesia in adult patients undergoing emergency laparotomy for peritonitis: A prospective, observational study.","authors":"Apala R Chowdhury, Ruma Thakuria, Souvik Maitra, Sayan Nath, Dalim K Baidya, Rajeshwari Subramanium, Rahul K Anand, Choro A Kayina","doi":"10.4103/joacp.joacp_372_21","DOIUrl":"10.4103/joacp.joacp_372_21","url":null,"abstract":"<p><strong>Background and aims: </strong>Doppler waveform analysis of carotid artery has been found to predict fluid responsiveness in patients undergoing elective surgeries. We evaluated the role of carotid artery corrected flow time (FTc) and respiratory variation of blood flow peak velocity (ðV<sub>peak</sub>) in predicting post induction hypotension in patients undergoing emergency laparotomy for peritonitis.</p><p><strong>Material and methods: </strong>Adult patients (<i>n</i> = 60) with perforation peritonitis undergoing emergency laparotomy under general anesthesia (GA) were recruited in this prospective, observational study. Carotid ultrasonography was performed pre-induction, to determine FTc and ðV<sub>peak</sub>. Post-induction hemodynamic parameters were recorded for 5 minutes. Spearman's rank correlation coefficient was used to determine the relationship between hypotension and carotid artery measurements.</p><p><strong>Results: </strong>Post-induction hypotension occurred in 48.3% of patients. The carotid artery FTc was significantly lower (<i>P</i> = 0.008) in patients who developed post-induction hypotension, but ðV<sub>peak</sub> was statistically similar (<i>P</i> = 0.62) in both groups. Spearman's rank correlation coefficient revealed a statistically significant correlation between FTc and systolic blood pressure (SBP) change at one-minute post induction (<i>r<sup>2</sup></i> <i>=</i> -0.29, <i>P</i> = 0.03); however statistical significance were not achieved at 2 minutes and 3 minutes (<i>P</i> = 0.05 at both time points). Carotid artery FTc had an area under the receiver operating characteristic (AUROC) curve (95% CI) of 0.70 (0.57-0.84) to predict post-induction hypotension and best cutoff value of 344.8 ms with a sensitivity and specificity of 61% and 79%, respectively. Carotid artery ðV<sub>peak</sub> had an AUROC curve (95% CI) of 0.54 (0.39-0.69) to predict post-induction hypotension and best cutoff value of 7.9% with a sensitivity and specificity of 62% and 55%, respectively.</p><p><strong>Conclusion: </strong>Carotid artery FTc and ðV<sub>peak</sub> are not reasonable predictors of hypotension in patients undergoing emergency laparotomy for perforation peritonitis.</p>","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"444-450"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661613/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48347659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rania K Abbasi, Anne E Cossu, Brandon Tanner, Peter Castelluccio, Matthew Hamilton, John Brown, Jeremy Herrmann
{"title":"Liposomal bupivacaine reduces opioid requirements following Ravitch repair for pectus excavatum.","authors":"Rania K Abbasi, Anne E Cossu, Brandon Tanner, Peter Castelluccio, Matthew Hamilton, John Brown, Jeremy Herrmann","doi":"10.4103/joacp.joacp_336_21","DOIUrl":"10.4103/joacp.joacp_336_21","url":null,"abstract":"<p><strong>Background and aims: </strong>The management of post-operative pain after surgical repair of pectus excavatum with the Ravitch procedure is challenging. Although previous studies have compared various methods of pain control in these patients, few have compared different local anesthetics. This retrospective analysis compares the use of bupivacaine to its longer-acting form, liposomal bupivacaine, in patients who had undergone pectus excavatum repair with the Ravitch method.</p><p><strong>Material and methods: </strong>Eleven patients who received local infiltration with liposomal bupivacaine were matched to 11 patients who received local infiltration utilizing bupivacaine with epinephrine. The primary outcome was total morphine milligram equivalents per kilogram body weight (MME/kg) over the complete length of hospital stay. Secondary outcomes included total cumulative diazepam, acetaminophen, ondansetron, and NSAID dose per kilogram body weight (mg/kg) over the course of the hospital stay, chest tube drainage (ml/kg body weight), number of post-operative hours until the first bowel movement, Haller Index, patient request for magnesium hydroxide, average pain scores from post-operative day 1 to post-operative day 5, and length of hospital stay. Continuous variables were reported as medians with inter-quartile ranges, and categorical values were reported as percentages and frequencies.</p><p><strong>Results: </strong>The total MME/kg [1.7 (1.2-2.4) vs 2.9 (2.0-3.9), <i>P</i> = 0.007] and hydromorphone (mg/kg) [0.1 (0.0-0.2) vs 0.3 (0.1-0.4), <i>P</i> = 0.006] use in the liposomal bupivacaine group versus bupivacaine with epinephrine was significantly reduced over total length of hospital stay. Similarly, there was a reduction in diazepam use in the liposomal bupivacaine group versus the bupivacaine group [0.4 (0.1-0.8) vs 0.6 (0.4-0.7), <i>P</i> = 0.249], but this did not reach statistical significance. The total dose of ondansetron (mg/kg) was not statistically different when comparing the liposomal bupivacaine group to the bupivacaine group [0.3 (0.0-0.5) vs 0.3 (0.2-0.6), <i>P</i> = 0.332]. Interestingly, the total dose of acetaminophen (mg/kg) was statistically increased in the liposomal bupivacaine group compared to the bupivacaine with epinephrine group [172 (138-183) vs 74 (55-111), <i>P</i> = 0.007]. Additionally, the total chest tube drainage (ml/kg) was significantly reduced in the liposomal bupivacaine group [9.3 (7.5-10.6) vs 12.8 (11.3-18.5), <i>P</i> = 0.027]. Finally, the percentage of patients without requests for magnesium hydroxide to promote laxation was significantly higher in the liposomal bupivacaine group than in the bupivacaine group (63.6% vs 18.2%, <i>P</i> = 0.027).</p><p><strong>Conclusion: </strong>The use of liposomal bupivacaine for local infiltration in patients who undergo the Ravitch procedure for pectus repair offers advantages over plain bupivacaine, including reduced opioid consumption and opioid-re","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"392-396"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661631/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46416149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Recent trends in anesthetic agents and techniques for ophthalmic anesthesia.","authors":"Prateek Upadhyay, Parul Ichhpujani, Abhilasha Solanki","doi":"10.4103/joacp.joacp_555_21","DOIUrl":"10.4103/joacp.joacp_555_21","url":null,"abstract":"<p><p>Effective and safe ophthalmic anesthesia is essential for the delivery of ophthalmic perioperative care both for children and adults. Recent years have seen a major change in form of smaller incisions for most ophthalmic surgical techniques, thus making them less invasive. Additionally, most ophthalmic surgeries are now day-care surgeries at ambulatory surgical centers. The parallel advancements in the field of anesthesiology have boosted the standard of perioperative care. The purpose of this narrative review was to evaluate current trends in anesthetic agents and techniques for ophthalmic anesthesia primarily centered around deep sedation and general anesthesia as per the concerns of practicing anesthesiologists while briefly acquainting with local anesthesia advances.</p>","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"343-348"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661636/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46747754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The impact of the Apfel scoring system for prophylaxis of post-operative nausea and vomiting: A randomized controlled trial.","authors":"Shastri H Avinash, Handattu Mahabaleswara Krishna","doi":"10.4103/joacp.joacp_553_21","DOIUrl":"10.4103/joacp.joacp_553_21","url":null,"abstract":"<p><strong>Background and aims: </strong>Post-operative nausea and vomiting (PONV) is common, undesirable, and stressful following surgery. By focusing attention and resources on those groups of patients most likely to develop PONV, the quality of care provided to the patients can be improved. The primary objective was to compare the incidence of PONV after implementation of the Apfel scoring system with the control group receiving prophylaxis for every surgery. The secondary objective was to identify the effect on the patient's expenditure/savings with respect to management of PONV.</p><p><strong>Material and methods: </strong>This prospective randomized controlled double-blinded study enrolled 70 patients undergoing surgeries under general anesthesia. Patients were randomized to group A (control group - all received PONV prophylaxis) and group B (Apfel stratification performed for PONV prophylaxis). Based on the Apfel system, the risk of PONV was classified as the grades low, moderate, and high risk. Patients at moderate and high risk received PONV prophylaxis in group B. Patients were monitored for PONV during 24 h after surgery and rescue medication given as required. The effect of implementing Apfel risk stratification on the incidence of PONV (primary outcome measure) and on patient expenditure was compared.</p><p><strong>Results: </strong>Compared to administering prophylaxis for all patients, the incidence of PONV [group A-5 patients (14.3%)] did not increase (P = 0.428) after implementing the Apfel scoring system [group B-2 patients (5.7%)]. The number of patients spending on prophylaxis for PONV in group A [35 (100%)] was higher than that in group B [17 (48%)], without increasing expenditure on PONV treatment.</p><p><strong>Conclusion: </strong>Withholding prophylaxis on the basis of the Apfel scoring system did not increase the incidence of PONV compared to providing prophylaxis for all the patients. The overall cost of prevention and treatment of PONV is less when the Apfel scoring system is used.</p>","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"463-467"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661641/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45402292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of etomidate and propofol on airway mechanics during induction - A prospective randomized trial.","authors":"Kavitha Jayaram, Indira Gurajala, Annekiran Kumar, Padmaja Durga, Ketireddy Tejasri","doi":"10.4103/joacp.joacp_534_21","DOIUrl":"10.4103/joacp.joacp_534_21","url":null,"abstract":"<p><strong>Background and aims: </strong>Intravenous induction agents like propofol and etomidate change the airway mechanics and thus influence mask ventilation. These changes have an impact on the administration of muscle relaxant in a difficult mask ventilation scenario. The difference in dynamics of airway after administration of two different intravenous agents has been assessed in this study.</p><p><strong>Material and methods: </strong>After formal registry in clinical trials, patients undergoing general anesthesia were recruited and randomized into group P and E. Patients were induced with either of the intravenous agents, and mask ventilation was performed with a ventilator. After 60 s, rocuronium was administered and ventilation continued. Measurements of tidal volume, peak airway pressure, and compliance were taken from the anesthesia ventilator at different time points - induction, relaxant, and intubation.</p><p><strong>Results: </strong>There was no statistically significant difference between the two groups with respect to demographics, airway parameters, and airway mechanics, as measured by tidal volume, peak airway pressure, and lung compliance. There was an improvement in the tidal volume and compliance following induction with propofol, with a <i>P</i> value of 0.007 and 0.032, respectively, obtained in within-group comparison.</p><p><strong>Conclusion: </strong>Propofol and etomidate were comparable in airway mechanics, but compliance and tidal volumes improved with propofol, which facilitated face mask ventilation.</p>","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"482-487"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661644/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42671205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effectiveness of Face mask only oxygenation and apnoeic oxygenation in addition to face mask in sustaining PaO<sub>2</sub> during rapid sequence induction - A randomized control trial.","authors":"R Preya, M Ravishankar, R Sripriya","doi":"10.4103/joacp.joacp_392_21","DOIUrl":"10.4103/joacp.joacp_392_21","url":null,"abstract":"<p><strong>Background and aims: </strong>Apnoeic oxygenation, although useful during elective intubations, has not shown consistent beneficial results during emergency intubations in critically ill patients. We aimed to study the effectiveness of adding apnoeic oxygenation to our routine practice of using facemask alone, in emergency laparotomy patients needing rapid sequence induction (RSI), for sustaining partial pressure of oxygen (PaO<sub>2</sub>).</p><p><strong>Material and methods: </strong>Seventy-two patients undergoing RSI for emergency laparotomy were randomly allocated to either receive pre-oxygenation with 5 L/min of oxygen (O<sub>2</sub>) with a facemask (Group-FM) or apnoeic oxygenation with 10 L/min of O<sub>2</sub> through a nasal catheter in addition to pre-oxygenation (Group-NC). Apnoea (90 s) was allowed from the removal of the facemask before the resumption of ventilation. Arterial blood gas analysis was done at the baseline, following pre-oxygenation and after 90 s of apnoea to study the PaO<sub>2</sub> and partial pressure of carbon dioxide (PaCO<i><sub>2</sub></i>). The circuit O<sub>2</sub> concentrations (fraction of inspired [FiO<sub>2</sub>] and end-tidal [EtO<sub>2</sub>]) were also noted to ensure a steady state of O<sub>2</sub> uptake was reached.</p><p><strong>Results: </strong>The circuit O<sub>2</sub> concentrations were 90 ± 4% in group FM and 93 ± 5% in Group-NC. The FiO<sub>2</sub>-EtO<sub>2</sub> difference was 4% in both groups. During the 90 s apnoea following pre-oxygenation, there was a fall in the PaO<sub>2</sub> by 38% in Group-FM and 12% in Group-NC (<i>P</i> = 0.000). Increase in PaCO<sub>2</sub> was similar in both groups (Group-FM: 44 [range: 32-55] mmHg; Group-NC: 42 [range: 33-54] mmHg, <i>P</i> = 0.809).</p><p><strong>Conclusion: </strong>Apnoeic insufflation of O<sub>2</sub> using a nasopharyngeal catheter along with facemask oxygenation is more effective in sustaining PaO<sub>2</sub> for 90 s during RSI than facemask-only oxygenation in patients undergoing emergency laparotomy.</p>","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"366-371"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661640/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43161253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comparison of the efficacy of ultrasound guided pectoralis-II block and intercostal approach to paravertebral block (proximal intercostal block) among patients undergoing conservative breast surgery: A randomised control study.","authors":"Nihar Ameta, Seshadri Ramkiran, Desiraju Vivekanand, Manish Honwad, Alok Jaiswal, Manoj Kumar Gupta","doi":"10.4103/joacp.joacp_411_21","DOIUrl":"10.4103/joacp.joacp_411_21","url":null,"abstract":"<p><strong>Background and aims: </strong>Regional anesthesia techniques have attributed a multimodal dimension to pain management after breast surgery. The intercostal approach to paravertebral block has been gaining interest, becoming an alternative to conventional paravertebral block, devoid of complexities in its approach, being recognized as the proximal intercostal block. Parallel to the widespread acceptance of fascial plane blocks in breast surgery, pectoralis II block has emerged as being non-inferior to paravertebral block. The aim of this study was to evaluate the efficacy of two independent fascial plane blocks, proximal intercostal block and pectoralis II block, in breast conservation surgery.</p><p><strong>Material and methods: </strong>This prospective, randomized control, pilot study included 40 patients, randomly allocated among two groups: proximal intercostal block and pectoralis II block.</p><p><strong>Results: </strong>The pectoralis II block group had significantly lower pain scores at rest in the immediate postoperative period but became comparable with the proximal intercostal block group in the late postoperative period. Pain scores on movement though were lower at 0 h postoperatively and became comparable with the proximal intercostal block group subsequently. Although the pectoralis II group had earlier recovery in the post-anesthesia care unit, the overall time to discharge from the hospital was comparable and not influential. Both groups had high patient satisfaction scores and similar perioperative opioid consumption. Sedation, time to first rescue analgesia, and postoperative nausea vomiting scores were comparable.</p><p><strong>Conclusion: </strong>Fascial plane blocks in the form of pectoralis II and proximal intercostal block facilitate pain alleviation, early return to shoulder arm exercise, and enhanced recovery, which should render them to be incorporated into multimodal interdisciplinary pain management in breast conservation surgery.</p>","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"488-496"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661648/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44797139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vansh Priya, Prateek S Bais, Amit Rastogi, Rafat Shamim, Anil Aggarwal, Abinash Patro
{"title":"Peri-operative management of diabetes mellitus - A survey of current practices among Indian anesthesiologists.","authors":"Vansh Priya, Prateek S Bais, Amit Rastogi, Rafat Shamim, Anil Aggarwal, Abinash Patro","doi":"10.4103/joacp.joacp_463_21","DOIUrl":"10.4103/joacp.joacp_463_21","url":null,"abstract":"<p><strong>Background and aims: </strong>Increased burden of diabetes in India has resulted in a spurt in the number of patients with diabetes posted for surgeries. The paucity of national guidelines can lead to marked practice variations in the peri-operative management of diabetes. This survey intends to discern current peri-operative practices among anesthesiologists working in medical colleges, tertiary care government, and private health care institutes of the country.</p><p><strong>Material and methods: </strong>An anonymous online survey comprising of 25 closed-ended questions was conducted using Google Forms® and disseminated through social media, emails, and messaging platforms. The questionnaire dealt primarily with the peri-operative management of diabetes in patients scheduled for elective surgery. The survey was conducted over a period of 1 month and targeted anesthesia resident trainees with more than 1-year experience, senior residents, and consultants working in India.</p><p><strong>Results: </strong>Statistically significant difference was observed between the three types of health facilities with respect to prior evaluation for diabetes (<i>P</i> = 0.007), prioritizing operative list (<i>P</i> = 0.006), hospital encouragement of day care surgery (<i>P</i> < 0.001), glycated hemoglobin level (HbA1c) level >8.5 for postponement of surgery (<i>P</i> < 0.05), insulin infusion preference (<i>P</i> < 0.001), hourly intra-operatively capillary blood glucose (CBG) assessment (<i>P</i> = 0.021), and avoiding peri-operative use of Ringer's lactate (RL) (<i>P</i> = 0.025).</p><p><strong>Conclusion: </strong>This survey primarily highlights the lack of prioritizing the operative list, early discontinuation of metformin, and reduced tendency to consider diabetics for day care surgeries.</p>","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"411-421"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661637/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45814429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alok K Sahoo, Chitta R Mohanty, Rakesh V Radhakrishnan, Bhukya M Nayak, Monalisa Sarkar
{"title":"Retained central venous guidewire: Point-of-care ultrasound saves the day.","authors":"Alok K Sahoo, Chitta R Mohanty, Rakesh V Radhakrishnan, Bhukya M Nayak, Monalisa Sarkar","doi":"10.4103/joacp.joacp_428_21","DOIUrl":"10.4103/joacp.joacp_428_21","url":null,"abstract":"","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"502-504"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661617/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44247114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A simple model of the Venturi effect with sufficient teaching facts.","authors":"René A Flores-Franco, David R Flores-Aguilar","doi":"10.4103/joacp.joacp_535_21","DOIUrl":"10.4103/joacp.joacp_535_21","url":null,"abstract":"","PeriodicalId":14946,"journal":{"name":"Journal of Anaesthesiology, Clinical Pharmacology","volume":"39 1","pages":"512-513"},"PeriodicalIF":1.5,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10661642/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42084282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}