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Huang XD, Qiu XX, Wang HJ, Jin XF, Xiao F. A prospective randomized double-blind study comparing the dose-response curves of epidural ropivacaine for labor analgesia initiation between parturients with and without obesity. Front Pharmacol 2024; 15:1348700. [PMID: 38434699 PMCID: PMC10904618 DOI: 10.3389/fphar.2024.1348700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 02/02/2024] [Indexed: 03/05/2024] Open
Abstract
Background: Previous studies have explored the median effective concentration (EC50) of ropivacaine for labor epidural analgesia in parturients with obesity. However, the clinical relevance of the 90% effective concentration (EC90) remains unclear. This study aimed to determine and compare the dose-response curve of epidural ropivacaine for labor analgesia between parturients with and without obesity. Methods: Parturients were divided into two groups based on body mass index (BMI): group N, consisting of parturients with BMI <30 kg/m2, and group O, consisting of parturients with BMI >30 kg/m2. Within each group, the patients were randomized to receive one of five concentrations (0.0375%, 0.075%, 0.1125%, 0.15%, or 0.1875%) of epidural ropivacaine for labor analgesia. Analgesia was induced with a loading dose of 15 mL of the assigned concentration. Visual analogue scale (VAS) scores were recorded at baseline and 30 min post-dose to calculate the response (%) using the formula [(baseline VAS pain score-VAS pain score at 30 min)/baseline VAS pain score] ×100%. The EC50 and EC90 values were determined via nonlinear regression analysis. Results: The EC50 and EC90 values of ropivacaine were 0.061% (95% confidence interval [CI], 0.056%-0.066%) and 0.177% (95% CI, 0.152%-0.206%) in group N and 0.056% (95% CI, 0.051%-0.061%) and 0.161% (95% CI, 0.138%-0.187%) in group O, respectively. No significant differences were observed in the EC50 and EC90 values between the two groups (p-values = 0.121 and 0.351, respectively. Conclusion: In conclusion, within the parameters of this study, our findings suggest that obesity, characterized by a mean BMI value of 30.9, does not significantly influence the EC50 and EC90 values of epidural ropivacaine for labor analgesia. Further investigations are warranted to elucidate the dose-response relationship between ropivacaine and obesity with higher BMI values. Clinical trial registration: https://www.chictr.org.cn/showproj.html?proj=190747, Identifier ChiCTR2300073273.
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Affiliation(s)
- Xiao-Dong Huang
- Department of Anesthesiology, Hangzhou Women’s Hospital, Hangzhou Maternity and Child Healthcare Hospital, Hangzhou First People’s Hospital Qianjiang New City Campus, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiao-Xiao Qiu
- Department of Anesthesiology, Hangzhou Women’s Hospital, Hangzhou Maternity and Child Healthcare Hospital, Hangzhou First People’s Hospital Qianjiang New City Campus, Zhejiang Chinese Medical University, Hangzhou, China
| | - He-Jie Wang
- Department of Anesthesiology, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, China
| | - Xia-Fang Jin
- Department of Anesthesiology, Jiaxing University Affiliated Women and Child Hospital, Jiaxing, China
| | - Fei Xiao
- Department of Anesthesiology, Jiaxing University Affiliated Women and Child Hospital, Jiaxing, China
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Saxena M, Sharma A, Goyal S, Kothari N. Safety and complications of labour epidural analgesia in obese parturients: worrying is not worth the weight! Anaesthesiol Intensive Ther 2024; 56:17-27. [PMID: 38741440 PMCID: PMC11022643 DOI: 10.5114/ait.2024.138542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 01/09/2024] [Indexed: 05/16/2024] Open
Abstract
The physiological transformations accompanying pregnancy, compounded by the implications of obesity, pose intricate challenges for anaesthesiologists attending to obese parturients. Obesity makes it harder to successfully provide epidural analgesia to a parturient. This narrative review explains the most recent data on the safety and complications of providing labour epidural analgesia in obese expectant mothers. We have emphasised the evidence-based approaches that are the most effective for obese pregnant mothers receiving labour epidural analgesia.
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Affiliation(s)
| | - Ankur Sharma
- All India Institute of Medical Sciences, Jodhpur, India
| | - Shilpa Goyal
- All India Institute of Medical Sciences, Jodhpur, India
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Bapodra A, Moy K, Nekola D, Schwartz GS. Neuraxial analgesia, nerve blocks, and special considerations for the parturient. Int Anesthesiol Clin 2024; 62:62-68. [PMID: 38063038 DOI: 10.1097/aia.0000000000000428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Affiliation(s)
- Anuj Bapodra
- Department of Anesthesiology, Maimonides Medical Center, Brooklyn, New York
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4
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Yang H, Zhang Q, Zhong Z, Sun Y, Gong H, Liu Y, Dai X, Lin L, Luo J, Gong G, Yang Y. Administration of combined spinal epidural anesthesia with ultrasound-assisted positioning in obese patients undergoing open hysterectomy: A randomized controlled trial. Medicine (Baltimore) 2023; 102:e36695. [PMID: 38206749 PMCID: PMC10754612 DOI: 10.1097/md.0000000000036695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 11/27/2023] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Administration of combined spinal epidural anesthesia (CSEA) with traditional landmark-guided positioning can be challenging in patients with high body mass index (BMI). The popularization of ultrasound technology may effectively solve these problems. However, reports on the administration of CSEA ultrasound-assisted positioning in obese populations are relatively limited and have made inconsistent conclusions. We aimed to investigate the ability of ultrasound-assisted positioning to improve the success rate of CSEA in obese patients. METHODS Overall, 118 adult women with a BMI ≥ 30 kg/m2 who scheduled to undergo open hysterectomy and received CSEA were recruited. Finally, 108 patients were enrolled and randomly assigned to 2 groups: the ultrasound-assisted positioning group (group A) and traditional landmark-guided positioning group (group B). Ultrasound-assisted or landmark-guided positioning was employed to locate the puncture interspace before anesthesia. The primary outcomes were the success rate of first attempt and number of attempts. The secondary outcomes were the patient positioning accuracy, positioning time, CSEA operation time, patient-satisfaction scores, anesthesia characteristics, and complications of CSEA. RESULTS The success rate of patient first puncture attempt in group A was significantly higher than that in group B (78.4% vs 52.9%, P = .007). The total number of punctures was lower in group A than that in groups B (average rank 44.54 vs 58.46, P = .005). Using ultrasound positioning as the gold standard, the accuracy of landmark-guided location was only 67%. Positioning time in croup A was longer in group A than that in group B (P = .004), while CSEA operation time spent in Group A was less than that in Group B (P < .001). Patient satisfaction score in group A was significantly higher than that in group B (P = .002). The successful puncture interspace in group A were more likely at L3-4 than that in group B (P = .02). CONCLUSION The success rate of first puncture attempt and positioning accuracy in CSEA with ultrasound-assisted is significantly higher than those based on landmark-guided location in obese patients.
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Affiliation(s)
- Haihong Yang
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
- Department of Anesthesiology, No.950 Hospital, Yecheng, Xinjiang, China
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Qin Zhang
- Outpatient department, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Zuling Zhong
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Yangyang Sun
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Huaqu Gong
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Yinghai Liu
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Xuemei Dai
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Lu Lin
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Jingya Luo
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Gu Gong
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Yongjian Yang
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
- Department of Cardiology, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
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5
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O'Reilly SL, McAuliffe FM, Geraghty AA, Burden C, Davies A. Implementing weight management during and after pregnancy to reduce diabetes and CVD risk in maternal and child populations. Proc Nutr Soc 2023:1-12. [PMID: 38037711 DOI: 10.1017/s0029665123004883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Maintaining a healthy weight during pregnancy is critical for both women's and children's health. Excessive gestational weight gain (GWG) can lead to complications such as gestational diabetes, hypertension and caesarean delivery. Insufficient GWG can cause fetal growth restriction and increase infant mortality risk. Additionally, postpartum weight retention raises risk of obesity, type 2 diabetes and other chronic diseases for both mother and child. This review seeks to identify current obstacles in weight management research during and after pregnancy and explore evidence-based strategies to overcome them. Pregnancy offers a window of opportunity for health behaviour changes as women are more receptive to education and have regular contact with health services. Staying within Institute of Medicine's recommended GWG ranges is associated with better maternal and fetal outcomes. Systematic review evidence supports structured diet and physical activity pregnancy interventions, leading to reduced GWG and fewer complications. Health economic evaluation indicates significant returns from implementation, surpassing investment costs due to decreased perinatal morbidity and adverse events. However, the most effective way to implement interventions within routine antenatal care remains unclear. Challenges increase in the postpartum period due to competing demands on women physically, mentally and socially, hindering intervention reach and retention. Flexible, technology-supported interventions are needed, requiring frameworks such as penetration-implementation-participation-effectiveness and template-for-intervention-description-and-replication for successful implementation. Greater research efforts are necessary to inform practice and investigate fidelity aspects through pragmatic implementation trials during the pregnancy and postpartum periods. Understanding the best ways to deliver interventions will empower women to maintain a healthy weight during their reproductive years.
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Affiliation(s)
- Sharleen L O'Reilly
- School of Agriculture and Food Science, University College Dublin College of Health Sciences, Dublin, Ireland
- UCD Perinatal Research Centre, National Maternity Hospital, University College Dublin School of Medicine, Dublin 2, Ireland
| | - Fionnuala M McAuliffe
- UCD Perinatal Research Centre, National Maternity Hospital, University College Dublin School of Medicine, Dublin 2, Ireland
| | - Aisling A Geraghty
- School of Agriculture and Food Science, University College Dublin College of Health Sciences, Dublin, Ireland
- UCD Perinatal Research Centre, National Maternity Hospital, University College Dublin School of Medicine, Dublin 2, Ireland
| | - Christy Burden
- Academic Women's Health Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Anna Davies
- Academic Women's Health Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
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Alsharif TH, Gronfula AG, Turkistani S, Alshmlany AM, Sharourou Z, Aboueleneein H, Alhamied F. A Systemic Review of Spinal Needles Broken During Neuraxial Anesthesia. Cureus 2023; 15:e40241. [PMID: 37440808 PMCID: PMC10334221 DOI: 10.7759/cureus.40241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2023] [Indexed: 07/15/2023] Open
Abstract
Needle breakage during spinal anesthesia occurs infrequently and represents a serious complication with potentially adverse effects. The objective of this systemic review was to look at the incidence, risk factors, and preventative measures for broken spinal needles. A search of the literature on PubMed, Web of Science, and Embase databases and a manual web search was performed, with no filters and up to April 2023 from inception. Out of the 43 potential studies, 23 were included. The search terms for the full article reading were broken needle, spinal anesthesia, humans, and post-operative, and the exclusion criteria were systematic reviews, conference presentations, and non-full articles. A review of the 23 studies (24 cases) suggests an association between specific risk factors such as obesity and needle size and breaks. Identifying the risks and complications of needle breaks could help physicians modify their practice and inform their patients of any increased risks applicable to them.
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Affiliation(s)
| | - Amin G Gronfula
- Orthopaedic Surgery, Royal College of Surgeons in Ireland, Dublin, IRL
| | | | | | | | | | - Fawaz Alhamied
- Neurology, King Fahad Armed Forces Hospital, Jeddah, SAU
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7
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Tan HS, Habib AS. Peri-operative anaesthetic management of women with obesity. Best Pract Res Clin Obstet Gynaecol 2023; 89:102335. [PMID: 37290264 DOI: 10.1016/j.bpobgyn.2023.102335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 02/27/2023] [Accepted: 03/31/2023] [Indexed: 06/10/2023]
Abstract
Obesity in women is prevalent and growing at an alarming pace worldwide, resulting in significant healthcare and socioeconomic consequences. Obesity is a multisystemic disease that is associated with numerous comorbidities, particularly sleep-disordered breathing, hypertension, coronary artery disease, pulmonary hypertension, thromboembolism, and diabetes mellitus. Additionally, obesity poses several peri-operative challenges including difficulty with airway management and mechanical ventilation, challenges with intravenous access or regional blocks, the need for modified anaesthetic drug dosing, the requirement for correctly sized and rated equipment, and appropriate post-operative monitoring. Therefore, early multidisciplinary planning is crucial to identify and address important peri-operative and clinical issues. Parturients with obesity are especially at high risk due to the additional physiological changes and obstetric comorbidities associated with obesity. Antenatal anaesthetic consultation along with close communication and collaboration within the multidisciplinary team are important to improve maternal and neonatal safety.
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Affiliation(s)
- Hon Sen Tan
- Department of Women's Anaesthesia, KK Women's and Children's Hospital, 100 Bukit Timah Road, 229899, Singapore
| | - Ashraf S Habib
- Department of Anesthesiology, Duke University Medical Center, Box 3094, Durham, NC, 27710, USA. https://twitter.com/ashrafhabib5
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8
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Yurashevich M, Taylor CR, Dominguez JE, Habib AS. Anesthesia and Analgesia for the Obese Parturient. Adv Anesth 2022; 40:185-200. [PMID: 36333047 DOI: 10.1016/j.aan.2022.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Obesity is a worldwide epidemic and is associated with an increased risk of hypertension, diabetes, and obstructive sleep apnea. Pregnant patients with obesity experience a higher risk of maternal and fetal complications. Anesthesia also poses higher risks for obese parturients and may be more technically challenging due to body habitus. Safe anesthesia practice for these patients must take into consideration the unique challenges associated with the combination of pregnancy and obesity.
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Affiliation(s)
- Mary Yurashevich
- Department of Anesthesiology, Division of Women's Anesthesia, Duke University School of Medicine, Durham, NC 27710, USA
| | - Cameron R Taylor
- Department of Anesthesiology, Division of Women's Anesthesia, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jennifer E Dominguez
- Department of Anesthesiology, Division of Women's Anesthesia, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ashraf S Habib
- Department of Anesthesiology, Division of Women's Anesthesia, Duke University School of Medicine, Durham, NC 27710, USA.
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9
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Chia P, Cheng SM, Tan SC, Sng BL. Anaesthesia for caesarean section in a morbidly obese parturient with history of lignocaine allergy: A case report. PROCEEDINGS OF SINGAPORE HEALTHCARE 2022. [DOI: 10.1177/20101058221144114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Morbidly obese obstetric patients present multiple challenges to the anaesthetist for labour analgesia and anaesthesia for caesarean section. The superiority of regional anaesthesia (RA) using local anaesthetics (LA) to all other techniques in the obese parturient, as well as avoiding complications of general anaesthesia (GA) in a caesarean delivery makes LA allergy in parturients an important issue. We report the first known case of lignocaine allergy in a morbidly obese parturient.
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Affiliation(s)
- Pamela Chia
- Department of Women’s Anaesthesia, Division of Clinical Support Services, KK Women’s and Children’s Hospital, Singapore
- Duke-NUS Medical School, Singapore
| | - Shang-Ming Cheng
- Department of Women’s Anaesthesia, Division of Clinical Support Services, KK Women’s and Children’s Hospital, Singapore
- Duke-NUS Medical School, Singapore
| | - Sze-Chin Tan
- Department of Rheumatology, Allergy and Immunology, Tan Tock Seng Hospital, Singapore
| | - Ban Leong Sng
- Department of Women’s Anaesthesia, Division of Clinical Support Services, KK Women’s and Children’s Hospital, Singapore
- Duke-NUS Medical School, Singapore
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10
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Borja A, Ehrig J, Vanderhoef K, Hammonds K, Hofkamp MP. Effect of encouraging a combined spinal epidural technique for cesarean delivery anesthesia. Proc AMIA Symp 2022; 35:591-594. [DOI: 10.1080/08998280.2022.2075684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Alexa Borja
- Robbins College of Health and Human Science, Baylor University, Waco, Texas
| | - Jessica Ehrig
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Baylor Scott & White Medical Center – Temple, Temple, Texas
| | - Kristen Vanderhoef
- Department of Anesthesiology, University of Florida-Jacksonville, Jacksonville, Florida
| | | | - Michael P. Hofkamp
- Department of Anesthesiology, Baylor Scott & White Medical Center – Temple, Temple, Texas
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11
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Yang C, Meng Q, Cheng Y, Huang S, Yu X. Effect of maternal body mass index on the prophylactic dose of phenylephrine for preventing hypotension in parturients after spinal anaesthesia. Anaesth Crit Care Pain Med 2022; 41:101035. [PMID: 35181530 DOI: 10.1016/j.accpm.2022.101035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 11/01/2022]
Abstract
BACKGROUND To compare the median effective dose (ED50) of phenylephrine for prophylactic continuous infusion in parturients with different body mass indices (BMIs) during combined spinal-epidural anaesthesia for caesarean section and to investigate the impact of maternal BMI on the prophylactic dose of phenylephrine. METHODS Parturients receiving combined spinal-epidural anaesthesia for elective caesarean section were divided into a standard group (Group S, BMI < 30 kg/m2) and an obesity group (Group O, BMI > 30 kg/m2), each with 30 patients. A sequential allocation design was used to administer the prophylactic infusion of phenylephrine after the completion of a spinal anaesthetic injection to prevent hypotension (defined as a reduction of systolic blood pressure ≥ 20% of the baseline value or systolic blood pressure < 90 mmHg), with an initial infusion rate of 50 μg/min for the first parturient subsequent adjusted up or down by 10 μg/min depending on whether the previous parturient developed hypotension or not during the study period. The Dixon and Massey method and the isotonic regression method were used to calculate and compare the ED50 and 95% confidence interval (CI) of phenylephrine between the two groups. RESULTS The results were 21.92 μg/min (95% CI, 14.90-28.94 μg/min) for Group S and 42.14 μg/min (95% CI, 24.58-59.70 μg/min) for Group O. The ratio of relative potency of Group O to Group S is 1.92 (95% CI 1.09 - 3.14), P = 0.034. CONCLUSIONS The dose of phenylephrine for the prevention of hypotension after spinal anaesthesia for caesarean section is dependent on maternal BMI. Therefore, a weight-based phenylephrine dose is reasonable.
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Affiliation(s)
- Chen Yang
- Department of Anaesthesia, Obstetrics & Gynaecology Hospital, Fudan University, Shanghai, China
| | - Qiuyu Meng
- Department of Anaesthesia, Obstetrics & Gynaecology Hospital, Fudan University, Shanghai, China
| | - Yan Cheng
- Department of Anaesthesia, Obstetrics & Gynaecology Hospital, Fudan University, Shanghai, China
| | - Shaoqiang Huang
- Department of Anaesthesia, Obstetrics & Gynaecology Hospital, Fudan University, Shanghai, China.
| | - Xinhua Yu
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, USA
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12
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Mossie A, Ali SA, Tesema HG. Anesthetic implications of morbid obesity during pregnancy; a literature based review. INTERNATIONAL JOURNAL OF SURGERY OPEN 2022. [DOI: 10.1016/j.ijso.2022.100444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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13
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Wikkelsø AJ, Secher EL, Edwards H. General or regional anaesthesia for postpartum haemorrhage-A national population-based cohort study. Acta Anaesthesiol Scand 2022; 66:103-113. [PMID: 34582572 DOI: 10.1111/aas.13987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/03/2021] [Accepted: 09/13/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND Anaesthesia is required to assist the treatment of postpartum haemorrhage (PPH) when manual removal of the placenta or emptying of the uterine cavity is required. The choice between general or regional anaesthesia may depend upon factors such as existing epidural, airway, hypovolaemia, and tradition. METHODS Data from a randomized controlled trial of PPH (FIB-PPH) was used to reveal differences between delivery centres. In addition, national data of 5,601 PPH procedures requiring anaesthesia during 2010-2015 was collected from the Danish Medical Birth Registry, the National Danish Patient Registry, and the Danish Anaesthesia Database. The aim is to describe the variation in choice of anaesthesia for treatment of PPH. RESULTS Data from the randomized trial showed large differences in practice between centres not explained by physiological factors. Using national Danish registry data, we show that large delivery centres as compared to small centres prefer regional anaesthesia for PPH procedures in opposed to general anaesthesia. Sevoflurane was used despite it causing uterine relaxation. The use of general anaesthesia was associated with younger parturients, larger blood loss, and larger Body-Mass Index. Aspiration was recorded in one case (0.02%). In the postoperative care-unit general anaesthesia was associated with a shorter stay, but also higher pain score at admission. CONCLUSION Practice varies immensely between delivery centres with large centres preferring regional anaesthesia. Difference in practice might be explained by level of experience, here large centres might be more confident using regional anaesthesia. Knowledge is being extrapolated from literature on caesarean sections. Future studies should address the optimal choice of anaesthesia for PPH procedures.
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Affiliation(s)
- Anne J. Wikkelsø
- Department of Anaesthesia and Intensive Care Medicine Herlev Hospital Copenhagen Denmark
- Department of Anaesthesia and Intensive Care Medicine Bispebjerg Hospital Copenhagen Denmark
| | - Erik L. Secher
- Department of Anaesthesia and Intensive Care Medicine Rigshospitalet Copenhagen Denmark
| | - Hellen Edwards
- Department of Obstetrics and Gynaecology Herlev Hospital Copenhagen Denmark
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14
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Metzger L, Teitelbaum M, Weber G, Kumaraswami S. Complex Pathology and Management in the Obstetric Patient: A Narrative Review for the Anesthesiologist. Cureus 2021; 13:e17196. [PMID: 34540424 PMCID: PMC8439398 DOI: 10.7759/cureus.17196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2021] [Indexed: 11/20/2022] Open
Abstract
Pregnant patients may present with multiple complex comorbidities that can affect peripartum management and anesthetic care. The preanesthesia clinic is the ideal setting for early evaluation of high-risk pregnant patients. Comorbidities may include cardiovascular pathology such as valvular abnormalities, septal defects, aortopathies, arrythmias and cardiomyopathies. Additional comorbidities include pulmonary conditions such as obstructive sleep apnea as well as preexisting neuromuscular and skeletal disorders that may impact anesthetic management. Hematologic conditions involving both bleeding diathesis and thrombophilias may present unique challenges for the anesthesiologist. Patients may also present with endocrinopathies including diabetes and obesity. While not as common, high-risk patients may also have preexisting gastrointestinal conditions such as liver dysfunction, renal failure, and even post-transplant status. Ongoing and prior substance abuse, obstetric conditions such as placenta accreta spectrum disorders, and fetal conditions needing ex utero Intrapartum treatment also require advanced planning. Preanesthesia evaluations also help address important ethical and cultural considerations. Counseling patients regarding anesthetic considerations as well as addressing concerns will play a role in reducing racial and ethnic disparities. Anticipatory guidance by means of pre-anesthetic planning can facilitate multidisciplinary communication and planning. This can allow for an impactful and meaningful role in the care provided, allowing for safe maternal care and optimal outcomes.
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Affiliation(s)
- Lia Metzger
- Anesthesiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, USA
| | | | - Garret Weber
- Anesthesiology, New York Medical College, Valhalla, USA
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15
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Gitterman A, Klaus J, Williams K, Murphy J. Peripartum optimization and coordination of collaborative care practice: a critical role for the obstetric anesthesiologist in combating maternal morbidity and mortality. Curr Opin Anaesthesiol 2021; 34:205-211. [PMID: 33935167 DOI: 10.1097/aco.0000000000000984] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Antenatal anesthesia clinics remain uncommon despite the rising incidence of maternal morbidity and mortality in the United States. The purpose of the present review is to outline the major considerations and challenges surrounding antenatal anesthetic evaluation. RECENT FINDINGS Data from the general surgical population would suggest a mortality benefit associated with preoperative anesthesia evaluation, although no such data exists in the obstetric population.Robust systems for case ascertainment and referral are needed. Recent publications on obstetric comorbidity indices may provide useful tools to ascertain high-risk parturients for a referral to antenatal obstetric anesthesiology clinics and higher levels of maternal care. Major obstetric organizations have identified and laid out criteria for maternal level of care. Anesthesiology resources also play a role in these designations and can help triage patients to facilities with appropriate resources. SUMMARY Obstetric anesthesiologists have a critical role not only in preoperative patient optimization but also in coordinating multidisciplinary care for optimal patient outcomes.
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Affiliation(s)
- Anna Gitterman
- Johns Hopkins Hospital, Department of Anesthesiology and Critical Care Medicine, Baltimore, Maryland, USA
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16
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Accuro ultrasound-based system with computer-aided image interpretation compared to traditional palpation technique for neuraxial anesthesia placement in obese parturients undergoing cesarean delivery: a randomized controlled trial. J Anesth 2021; 35:475-482. [PMID: 34050798 DOI: 10.1007/s00540-021-02922-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 03/13/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Recently, a new handheld ultrasound-based device, called Accuro, has been commercialized with a real-time automated interpretation of lumbar ultrasound images. We hypothesized that the handheld ultrasound device would improve the efficacy and safety of combined spinal-epidural anesthesia (CSEA) for cesarean delivery in obese parturients. METHODS Eighty parturients with a body mass index > 30 kg∙m-2 scheduled for elective cesarean delivery were randomly allocated equally (palpation group and ultrasound group). The primary outcome was the first insertion success rate. Secondary outcomes were the time taken to identify the needle puncture site, duration of CSEA procedure, the total time, the rate of parturients who require needle redirections, the number of skin punctures, changes in the intended interspace, and the incidence of complications. RESULTS Compared to the palpation group, the first insertion success rate was significantly higher (72.5% vs. 40.0%; P = 0.003), and time taken to identify the needle puncture site was less (30 [26-36] vs. 39 [32-49] seconds; P = 0.001) in the ultrasound group. The rate of parturients who required needle redirections (40.0% vs. 72.5%; P = 0.003) and the incidence of paresthesia were both lower (7.5% vs. 45.0%; P < 0.001). The other outcomes had no significant difference between groups. The mean difference between the epidural depth measured by the handheld ultrasound and needle depth was - 0.29 cm [95% limit of agreement, - 0.52 to - 0.05]. CONCLUSIONS Our study suggests using the Accuro ultrasound device can enhance the efficacy and safety of CSEA in obese parturients when executed by experienced anesthesiologists, and its automated estimation of epidural depth is accurate.
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Abstract
PURPOSE OF REVIEW Obesity is a major health epidemic, with the prevalence reaching ∼40% in the United States in recent years. It is associated with increased risk of hypertension, diabetes, heart disease, stroke, obstructive sleep apnea (OSA), and gynecologic conditions requiring surgery. Those comorbidities, in addition to the physiologic changes associated with obesity, lead to increased risk of perioperative complications. The purpose of this review is to highlight the anesthetic considerations for robotic assisted hysterectomy in obese patients. RECENT FINDINGS In the general gynecologic population, minimally invasive surgery is associated with less postoperative fever, pain, hospital length of stay, total cost of care and an earlier return to normal function. This also applies to robotic surgery in obese patients, which is on the rise. The physiologic changes of obesity bring different anesthetic challenges, including airway management and intraoperative ventilation. Vascular access and intraoperative blood pressure monitoring can also be challenging and require modifications. Optimizing analgesia with a focus on opioid-sparing strategies is crucial due to the increased prevalence of OSA in this patient population. SUMMARY Anesthesia for obese patients undergoing robotic hysterectomy is challenging and must take into consideration the anatomic and physiologic changes associated with obesity.
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Anaesthesia for the parturient with obesity. BJA Educ 2021; 21:180-186. [PMID: 33927890 DOI: 10.1016/j.bjae.2020.12.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 12/22/2020] [Indexed: 12/20/2022] Open
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Epidural analgesia in the obese obstetric patient: a retrospective and comparative study with non-obese patients at a tertiary hospital. Braz J Anesthesiol 2021; 71:214-220. [PMID: 33845099 PMCID: PMC9373670 DOI: 10.1016/j.bjane.2021.02.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 02/15/2021] [Accepted: 02/27/2021] [Indexed: 11/26/2022] Open
Abstract
Background and objectives Obesity is becoming a frequent condition among obstetric patients. A high body mass index (BMI) has been closely related to a higher difficulty to perform the neuraxial technique and to the failure of epidural analgesia. Our study is aimed at analyzing obese obstetric patients who received neuraxial analgesia for labor at a tertiary hospital and assessing aspects related to the technique and its success. Methods Retrospective observational descriptive study during one year. Women with a BMI higher than 30 were identified, and variables related to the difficulty and complications of performing the technique, and to analgesia failure rate were assessed. Results and conclusions Out of 3653 patients, 27.4% had their BMI ≥ 30 kg.m-². Neuraxial techniques are difficult to be performed in obese obstetric patients, as showed by the number of puncture attempts (≥ 3 in 9.1% obese versus 5.3% in non-obese being p < 0.001), but the incidence of complications, as hematic puncture (6.6%) and accidental dural puncture (0.7%) seems to be similar in both obese and non-obese patients. The incidence of cesarean section in obese patients was 23.4% (p < 0.001). Thus, an early performance of epidural analgesia turns out to be essential to control labor pain and to avoid a general anesthesia in such high-risk patients.
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Tan HS, Habib AS. Obesity in women: anaesthetic implications for peri-operative and peripartum management. Anaesthesia 2021; 76 Suppl 4:108-117. [PMID: 33682095 DOI: 10.1111/anae.15403] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/31/2020] [Indexed: 12/13/2022]
Abstract
The prevalence, healthcare and socio-economic impact of obesity (defined as having a body mass index of ≥ 30 kg.m-2 ) are disproportionately higher in women than men. A combination of biological and social factors, including the adaptation of energy homeostasis to the increased demands of pregnancy and lactation and poor access to healthy foods or exercise facilities, contribute to the increasing prevalence of obesity in women. Obesity-related physiological changes stem from mass loading and increased metabolism of adipose tissue, as well as secretion of bioactive substances from adipocytes leading to chronic low-grade inflammation. As a result, obesity is associated with increased risks of: infertility; malignancy; sleep-disordered breathing; cardiovascular disease; diabetes; and thromboembolism. Hence, obese women are at markedly increased risk of peri-operative morbidity and mortality and require comprehensive evaluation and targeted comorbidity optimisation by a multidisciplinary team. In addition to routine obstetric challenges, pregnancy in women with obesity further exacerbates the above risks, making multidisciplinary management starting at pre-conception even more important. Weight loss, lifestyle management and optimisation of comorbidity are the cornerstone of reducing obesity-related risks. The anaesthetist plays a vital role within the multidisciplinary team by emphasising weight loss as part of pre-operative comorbidity optimisation, formulation of individualised peri-operative management plans, supervising postoperative care in the high dependency or intensive care settings and providing safe labour analgesia and careful peripartum management for obese parturients.
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Affiliation(s)
- H S Tan
- Department of Women's Anaesthesia, KK Women's and Children's Hospital, Singapore
| | - A S Habib
- Division of Women's Anesthesia, Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA
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Ho DK, Karagyozyan DS, Awad TW, Vandse R. Anesthetic Management of a Super Morbidly Obese Obstetric Patient With a Body Mass Index of 109 kg/m2 Presenting for Her Fourth Caesarean Delivery. Cureus 2020; 12:e11803. [PMID: 33409048 PMCID: PMC7779169 DOI: 10.7759/cureus.11803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Morbidly obese obstetric patients undergoing anesthesia present many unique challenges. Previous caesarean sections (CSs) further complicate their management. We present the successful anesthetic management of a super morbidly obese obstetric patient with body mass index (BMI) of 109 kg/m2 who underwent her fourth CS. As per our review, this patient has the highest recorded BMI in the obstetric anesthesia literature. A 27-year-old female, G4P3003, presented for fourth repeat CS at 38 weeks’ gestation. She had obstructive sleep apnea, hypertension, atrial fibrillation, and type 2 diabetes. Her first CS was emergent under general anesthesia (GA), and the other two were performed under neuraxial anesthesia, with the most recent one complicated by intraoperative cardiac arrest requiring cardiopulmonary resuscitation. Preoperative preparation involved multidisciplinary preparation, planning, and risk stratification. Although neuraxial anesthesia is preferred over GA for CS, she refused neuraxial anesthesia due to her prior traumatic experience and the potential that it caused her prior cardiac arrest. In addition, her inability to position for a block or lay flat, poor anatomical landmarks, unknown length of surgery, plan for periumbilical incision, uncertain placental status, and risk of massive hemorrhage convinced us to consider GA. Surprisingly, her airway examination was reassuring. Two 18G peripheral intravenous lines and an arterial line were obtained prior to induction. With optimum patient positioning and preoxygenation, modified rapid sequence induction with mask ventilation and endotracheal intubation with direct laryngoscopy were performed. A healthy baby was delivered without significant intraoperative complications. Intraoperative lung-protective strategy with recruitment maneuvers, multimodal analgesia, and elective postoperative continuous positive airway pressure aided in successful extubation. Postoperatively, pulmonary toilet, early mobilization, physical therapy, and venous thromboembolism prophylaxis were employed. Her postoperative course was complicated by severe preeclampsia and pulmonary embolism, which were managed successfully in the intensive care unit. She was discharged initially to outpatient rehabilitation followed by home. This case highlights the complexities and significance of an individualized approach in managing super morbidly obese obstetric patients.
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Affiliation(s)
- Derek K Ho
- Anesthesiology, Loma Linda University Medical Center, Loma Linda, USA
| | | | - Taysir W Awad
- Anesthesiology, Emory University School of Medicine, Loma Linda, USA
| | - Rashmi Vandse
- Anesthesiology, Loma Linda University Medical Center, Loma Linda, USA
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Szewczyk Z, Weaver N, Rollo M, Deeming S, Holliday E, Reeves P, Collins C. Maternal Diet Quality, Body Mass Index and Resource Use in the Perinatal Period: An Observational Study. Nutrients 2020; 12:nu12113532. [PMID: 33213030 PMCID: PMC7698580 DOI: 10.3390/nu12113532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 11/16/2022] Open
Abstract
The impact of pre-pregnancy obesity and maternal diet quality on the use of healthcare resources during the perinatal period is underexplored. We assessed the effects of body mass index (BMI) and diet quality on the use of healthcare resources, to identify whether maternal diet quality may be effectively targeted to reduce antenatal heath care resource use, independent of women’s BMI. Cross-sectional data and inpatient medical records were gathered from pregnant women attending publicly funded antenatal outpatient clinics in Newcastle, Australia. Dietary intake was self-reported, using the Australian Eating Survey (AES) food frequency questionnaire, and diet quality was quantified from the AES subscale, the Australian Recommended Food Score (ARFS). Mean pre-pregnancy BMI was 28.8 kg/m2 (range: 14.7 kg/m2–64 kg/m2). Mean ARFS was 28.8 (SD = 13.1). Higher BMI was associated with increased odds of caesarean delivery; women in obese class II (35.0–39.9 kg/m2) had significantly higher odds of caesarean delivery compared to women of normal weight, (OR = 2.13, 95% CI 1.03 to 4.39; p = 0.04). Using Australian Refined Diagnosis Related Group categories for birth admission, the average cost of the birth admission was $1348 more for women in the obese class II, and $1952 more for women in the obese class III, compared to women in a normal BMI weight class. Higher ARFS was associated with a small statistically significant reduction in maternal length of stay (RR = 1.24, 95% CI 1.00, 1.54; p = 0.05). There was no evidence of an association between ARFS and mode of delivery or “midwifery-in-the-home-visits”.
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Affiliation(s)
- Zoe Szewczyk
- Hunter Medical Research Institute (HMRI) Lot 1, Kookaburra Circuit, New Lambton Heights, NSW 2305, Australia; (N.W.); (S.D.); (E.H.); (P.R.)
- School of Medicine and Public Health, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
- Correspondence: (Z.S.); (C.C.)
| | - Natasha Weaver
- Hunter Medical Research Institute (HMRI) Lot 1, Kookaburra Circuit, New Lambton Heights, NSW 2305, Australia; (N.W.); (S.D.); (E.H.); (P.R.)
- School of Medicine and Public Health, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - Megan Rollo
- School of Health Sciences, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia;
- Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - Simon Deeming
- Hunter Medical Research Institute (HMRI) Lot 1, Kookaburra Circuit, New Lambton Heights, NSW 2305, Australia; (N.W.); (S.D.); (E.H.); (P.R.)
- School of Medicine and Public Health, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - Elizabeth Holliday
- Hunter Medical Research Institute (HMRI) Lot 1, Kookaburra Circuit, New Lambton Heights, NSW 2305, Australia; (N.W.); (S.D.); (E.H.); (P.R.)
- School of Medicine and Public Health, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - Penny Reeves
- Hunter Medical Research Institute (HMRI) Lot 1, Kookaburra Circuit, New Lambton Heights, NSW 2305, Australia; (N.W.); (S.D.); (E.H.); (P.R.)
- School of Medicine and Public Health, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
| | - Clare Collins
- School of Health Sciences, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia;
- Priority Research Centre for Physical Activity and Nutrition, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
- Correspondence: (Z.S.); (C.C.)
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Broken Spinal Needle in a Morbidly Obese Parturient Presenting for Urgent Cesarean Section. Case Rep Anesthesiol 2020; 2020:8880464. [PMID: 33062337 PMCID: PMC7545410 DOI: 10.1155/2020/8880464] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/19/2020] [Accepted: 09/21/2020] [Indexed: 01/31/2023] Open
Abstract
Neuraxial anesthesia has become the preferred method of anesthesia for nonemergent cesarean delivery and cases where regional anesthesia is not contraindicated. Multiple cases of broken spinal and epidural needles have been reported in the literature over the last several years; however, the specific incidence of needle breakage is still unknown. Less reliance on general anesthesia and increasing parturient body mass index (BMI) has likely contributed to more reports of broken needles during regional anesthesia for obstetric surgery. We describe a case of a broken spinal needle after attempted spinal anesthetic placement for cesarean delivery in a morbidly obese parturient, subsequent postoperative management, and current treatment recommendations.
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Connect the Dots—August 2020. Obstet Gynecol 2020; 136:420-421. [DOI: 10.1097/aog.0000000000004014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pushing the Envelope in Obstetric Care: A Case Report of Cesarean Delivery in a Parturient with a BMI >100 kg m -2. Case Rep Anesthesiol 2020; 2020:5498584. [PMID: 32685215 PMCID: PMC7341382 DOI: 10.1155/2020/5498584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 03/01/2020] [Accepted: 05/12/2020] [Indexed: 02/02/2023] Open
Abstract
An increasing number of women with a body mass index (BMI) ≥ 60 kg m−2, referred to as super-super obesity, are requiring anesthetic care for labor and delivery. Management of these patients presents obstetric, anesthetic, and logistical challenges. We report our experience in the management of cesarean delivery in a parturient with a BMI of 112 kg m−2. Use of epidural anesthesia and performance of a supraumbilical transverse surgical incision with caudal placement of the panniculus resulted in optimal hemodynamic and ventilatory parameters. Effective multidisciplinary planning and communication is key. We present this case to highlight decision-making strategies and elucidate our approach in the management of this complex obstetric case.
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Guasch E, Brogly N, Gilsanz F. Combined spinal epidural for labour analgesia and caesarean section: indications and recommendations. Curr Opin Anaesthesiol 2020; 33:284-290. [DOI: 10.1097/aco.0000000000000866] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lacković M, Filimonović D, Nikolić D. Challenges and complications of maternal obesity in pregnancy. MEDICINSKI PODMLADAK 2020. [DOI: 10.5937/mp71-27850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
The prevalence of obesity and obesity-related health problems is increasing worldwide, especially among woman and man of reproductive age where obesity is designated as one of the most important global health threats in 21st century. Pregnancy in obese woman is considered as a high-risk pregnancy. Pre-pregnancy obesity and excessive gestational weight gain (GWG) are distinct risk factors with differing associated adverse outcomes, and they could also carry a cumulative negative impact on pregnancy course. Pre-pregnancy obesity is the anthropometric parameter most strongly correlated with perinatal complications. Maternal complications following obesity include antepartum, intrapartum and postpartum complications, such as pregnancy related hypertension, preeclampsia, gestational diabetes mellitus, preterm birth, venous thromboembolism, labor dystocia, labor induction, instrumental and cesarean delivery. Fetal complications related to maternal obesity might include increased prevalence of congenital anomalies, growth abnormalities, prematurity and stillbirth. Prepregnancy overweight and obesity is a potentially modifiable risk factor compromising pregnancy outcome. Among all complications that might arise during pregnancy and that could not be predicted and therefore prevented, pre-pregnancy overweight and obesity management control can significantly reduce potential pregnancy complications. Pre-conceptual counseling should provide an awareness of this arising medical condition in a timely manner and provide risk reduction of complications following pre-pregnancy obesity and excessive GWG.
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