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Sargsyan N, Chen JY, Aggarwal R, Fadel MG, Fehervari M, Ashrafian H. The effects of bariatric surgery on cardiac function: a systematic review and meta-analysis. Int J Obes (Lond) 2024; 48:166-176. [PMID: 38007595 PMCID: PMC10824663 DOI: 10.1038/s41366-023-01412-3] [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: 03/08/2023] [Revised: 10/09/2023] [Accepted: 11/03/2023] [Indexed: 11/27/2023]
Abstract
INTRODUCTION Obesity is associated with alterations in cardiac structure and haemodynamics leading to cardiovascular mortality and morbidity. Culminating evidence suggests improvement of cardiac structure and function following bariatric surgery. OBJECTIVE To evaluate the effect of bariatric surgery on cardiac structure and function in patients before and after bariatric surgery. METHODS Systematic review and meta-analysis of studies reporting pre- and postoperative cardiac structure and function parameters on cardiac imaging in patients undergoing bariatric surgery. RESULTS Eighty studies of 3332 patients were included. Bariatric surgery is associated with a statistically significant improvement in cardiac geometry and function including a decrease of 12.2% (95% CI 0.096-0.149; p < 0.001) in left ventricular (LV) mass index, an increase of 0.155 (95% CI 0.106-0.205; p < 0.001) in E/A ratio, a decrease of 2.012 mm (95% CI 1.356-2.699; p < 0.001) in left atrial diameter, a decrease of 1.16 mm (95% CI 0.62-1.69; p < 0.001) in LV diastolic dimension, and an increase of 1.636% (95% CI 0.706-2.566; p < 0.001) in LV ejection fraction after surgery. CONCLUSION Bariatric surgery led to reverse remodelling and improvement in cardiac geometry and function driven by metabolic and haemodynamic factors.
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Affiliation(s)
- Narek Sargsyan
- Department of General Surgery, Imperial College Healthcare NHS Foundation Trust, London, UK.
| | - Jun Yu Chen
- Department of General Surgery, Imperial College Healthcare NHS Foundation Trust, London, UK
| | - Ravi Aggarwal
- Department of General Surgery, Imperial College Healthcare NHS Foundation Trust, London, UK
| | - Michael G Fadel
- Department of General Surgery, Imperial College Healthcare NHS Foundation Trust, London, UK
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Matyas Fehervari
- Department of General Surgery, Imperial College Healthcare NHS Foundation Trust, London, UK
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Hutan Ashrafian
- Department of General Surgery, Imperial College Healthcare NHS Foundation Trust, London, UK
- Department of Surgery and Cancer, Imperial College London, London, UK
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Pereira JPS, Calafatti M, Martinino A, Ramnarain D, Stier C, Parmar C, Weiner S, Dekker LR, Hasenberg T, Wolf O, Pouwels S. Epicardial Adipose Tissue Changes After Bariatric and Metabolic Surgery: a Systematic Review and Meta-analysis. Obes Surg 2023; 33:3636-3648. [PMID: 37801237 DOI: 10.1007/s11695-023-06848-0] [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: 05/18/2023] [Revised: 09/09/2023] [Accepted: 09/24/2023] [Indexed: 10/07/2023]
Abstract
Epicardial adipose tissue (EAT) is a visceral fat depot located between the myocardium and visceral epicardium. Emerging evidence suggests that excessive EAT is linked to increased risk of cardiovascular conditions and other metabolic diseases. A literature search was conducted from the earliest studies to the 26th of November 2022 on PubMed, Embase, and the Cochrane. All the studies evaluating changes in EAT, pericardial adipose tissue (PAT), or total cardiac fat loss before and after BS were included. From 623 articles, 35 were eventually included in the systematic review. Twenty-one studies showed a significant reduction of EAT after BS, and only one study showed a non-significant reduction (p = 0.2).
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Affiliation(s)
| | - Matteo Calafatti
- Faculty of Medicine, Università la Sapienza di Roma, Rome, Italy
| | | | - Dharmanand Ramnarain
- Department of Intensive Care Medicine, Elisabeth-Tweesteden Hospital, Tilburg, The Netherlands
- Department of Intensive Care Medicine, Saxenburgh Medical Centre, Hardenberg, The Netherlands
| | - Christine Stier
- Department of Surgical Endoscopy, Sana Hospitals, Germany and Obesity Center NRW, Huerth, Germany
| | - Chetan Parmar
- Department of Surgery, Whittington Health NHS Trust, London, UK
- Apollo Hospitals Education and Research Foundation, Hyderabad, India
| | - Sylvia Weiner
- Department of Bariatric and Metabolic Surgery, Sana Klinikum, Offenbach am Main, Hessen, Germany
| | - Lukas R Dekker
- Department of Cardiology, Catharina Hospital, Eindhoven, The Netherlands
| | - Till Hasenberg
- Helios Obesity Center West, Helios St. Elisabeth Hospital Oberhausen, Oberhausen, NRW, Germany
- Helios University Hospital Wuppertal, Wuppertal, NRW, Germany
- Faculty of Health, University of Witten/Herdecke, Witten, Germany
| | - Olga Wolf
- Department of Plastic, Reconstructive and Aesthetic Surgery, Florence Nightingale Hospital, Düsseldorf, Germany
| | - Sjaak Pouwels
- Department of Intensive Care Medicine, Elisabeth-Tweesteden Hospital, Tilburg, The Netherlands.
- Faculty of Health, University of Witten/Herdecke, Witten, Germany.
- Department of General, Abdominal Surgery and Coloproctology, Helios St. Elisabeth Klinik, Josefstraße 3, 46045, Oberhausen, NRW, Germany.
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Sheikhbahaei E, Tavassoli Naini P, Agharazi M, Pouramini A, Rostami S, Bakhshaei S, Valizadeh R, Heshmat Ghahdarijani K, Shiravi A, Shahabi S. Cardiac fat pat change after laparoscopic sleeve gastrectomy and Roux-en-Y gastric bypass surgery: a systematic review and meta-analysis. Surg Obes Relat Dis 2022; 19:653-664. [PMID: 36681624 DOI: 10.1016/j.soard.2022.12.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 11/08/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022]
Abstract
Cardiac fat pad is a metabolically active organ that plays a role in energy homeostasis and cardiovascular diseases and generates inflammatory cytokines. Many studies have shown remarkable associations between cardiac fat thickness and cardiovascular diseases, making it a valuable target for interventions. Our meta-analysis aimed to investigate the effects of the 2 most popular bariatric surgeries (sleeve gastrectomy [SG] and Roux-en-Y gastric bypass [RYGB]) in cardiac fat pad reduction. A systematic review of the literature was done by searching in Scopus, Web of Science, Cochrane, and PubMed for articles published by September 16, 2022. This review followed the meta-analysis rules based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. Nineteen studies met the inclusion criteria out of 128 potentially useful studies, including a total number of 822 patients. The results of subgroup analysis on the type of surgery showed that bariatric surgeries decreased the mean fat pad diameter, but the reduction was greater in SG than in RYGB. Epicardial and pericardial fat type showed a significant decrease of fat pad diameter. The results of subgroup analysis indicated RYGB had a significant reduction in mean fat pad volume. Computed tomography scan and cardiac magnetic resonance imaging showed a significant reduction of the mean cardiac fat pad volume. Epicardial and paracardial fat type showed a significant decrease in volume. The cardiac fat pad diameter and volume were significantly reduced after bariatric surgeries. SG showed greater reduction in fat pad diameter in comparison with RYGB, and RYGB had a significant reduction in mean fat pad volume.
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Affiliation(s)
- Erfan Sheikhbahaei
- Isfahan Minimally Invasive Surgery and Obesity Research Center, Alzahra University Hospital, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Mohammad Agharazi
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Pouramini
- Urology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Sepehr Rostami
- Student Research Committee, Dnipro Medical Institute of Conventional and Traditional Medicine, Dnipro, Ukraine
| | | | - Rohollah Valizadeh
- Department of Epidemiology and Biostatistics, School of Public Health, Urmia University of Medical Sciences, Urmia, Iran
| | - Kiyan Heshmat Ghahdarijani
- Isfahan Cardiovascular Research Center, Chamran University Hospital, Department of Cardiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Amirabbas Shiravi
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shahab Shahabi
- Department of Surgery, Minimally Invasive Surgery Research Center, Hazrat-e Rasool General Hospital, Iran University of Medical Sciences, Tehran, Iran.
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Umemura A, Sasaki A, Nikai H, Yanari S, Ishioka H, Takahashi N, Katagiri H, Kanno S, Takeda D, Morishita T, Eizuka M, Oizumi T, Nitta H. Improvements of lung volumes and respiratory symptoms after weight loss through laparoscopic sleeve gastrectomy. Langenbecks Arch Surg 2022; 407:2747-2754. [PMID: 35588327 DOI: 10.1007/s00423-022-02549-x] [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: 02/14/2022] [Accepted: 05/07/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE This study evaluated the improvement of respiratory function and airway volumes using spirometry and computed tomography (CT) in severely obese Japanese patients undergoing laparoscopic sleeve gastrectomy (LSG). We also evaluated the quality of life (QOL) of enrolled patients using questionnaires. METHODS A total of 71 patients who underwent LSG at Iwate Medical University Hospital between October 2013 and September 2020 were enrolled. The changes and relationships between respiratory parameters including CT volumetry and weight-loss effects were evaluated. Improvements to QOL and bronchial asthma (BA) were also assessed before LSG and 1 year after LSG. RESULTS The mean excess weight loss percentage (%EWL) and total weight loss percentage (%TWL) were measured at 55.1% and 26.1%, respectively. The attack frequency of BA significantly decreased (6.1/month vs. 1.5/month; P < 0.001), and the disease severity decreased according to severity classification (P = 0.032). Almost spirometric parameters, lung volume (LV) (4905.0 mL vs. 5490.3 mL; P < 0.001), and airway volume (AV) (108.6 mL vs. 119.3 mL; P = 0.022) significantly improved. The change of functional residual capacity (FRC) was correlated with both %EWL (ρ = 0.69, P < 0.001) and %TWL (ρ = 0.62, P < 0.001). The increase of LV (ρ = 0.79, P < 0.001) and AV (ρ = 0.69, P < 0.001) were correlated with the increase of FRC. Scores of QOL questionnaires dramatically became better owing to improvements in dyspnea. CONCLUSION Weight loss effects and the reduction of body fat mass correlated significantly with increase in LV and AV. Improvements of respiratory functions after LSG contributes to QOL and BA symptoms.
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Affiliation(s)
- Akira Umemura
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan.
| | - Akira Sasaki
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Haruka Nikai
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Shingo Yanari
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Hideki Ishioka
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Naoto Takahashi
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Hirokatsu Katagiri
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Shoji Kanno
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Daiki Takeda
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Toshifumi Morishita
- Division of Gastroenterology, Department of Internal Medicine, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Makoto Eizuka
- Division of Gastroenterology, Department of Internal Medicine, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Tomofumi Oizumi
- Division of Gastroenterology, Department of Internal Medicine, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
| | - Hiroyuki Nitta
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, 028-3695, Japan
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