VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY

Objective: To validate VO2 max testing with society of thoracic surgeon (STS) score in the preoperative assessment of patients undergoing coronary artery bypass graft surgery. Study Design: This was a single center and observational study. Place and Duration of Study: Armed Forces Institute of...

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Autores principales:	Imtiaz Ahmad Chaudhry, Farrah Pervaiz, Kaleem Ahmed, Mehwish Naseer, Aysha Siddiqa, Hafsa Khalil, Muhammad Afsheen Iqbal
Formato:	article
Lenguaje:	EN
Publicado:	Army Medical College Rawalpindi 2020
Materias:	cardiopulmonary exercise testing coronary artery bypass grafting surgery peak oxygen uptake (vo2 peak) society of thoracic surgeon score Medicine R Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/45bc93db239243b5ba8adc0968f354a3
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spelling	oai:doaj.org-article:45bc93db239243b5ba8adc0968f354a32021-12-02T19:12:05ZVALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDYdoi.org/10.51253/pafmj.v70iSuppl-4.60530030-96482411-8842https://doaj.org/article/45bc93db239243b5ba8adc0968f354a32020-12-01T00:00:00Zhttps://pafmj.org/index.php/PAFMJ/article/view/6053https://doaj.org/toc/0030-9648https://doaj.org/toc/2411-8842Objective: To validate VO2 max testing with society of thoracic surgeon (STS) score in the preoperative assessment of patients undergoing coronary artery bypass graft surgery. Study Design: This was a single center and observational study. Place and Duration of Study: Armed Forces Institute of Cardiology and National Institute of Heart Diseases, Rawalpindi Methodology: Forty four adult patients undergoing elective on pump coronary artery bypass graft surgery with an EF of >45% were included in this study as per inclusion criteria through non probability consecutive sampling. Five patients were lost to follow up. In 39 patients preoperative society of thoracic surgeons scoring was done and VO2 max of these patients was calculated. After coronary artery bypass graft surgery these patients were followed for mortality and morbidity. The discriminative capacity of VO2 max was compared with the STS risk scoring system using Receiver Operating Characteristic curves (ROC-curves). Results: We analyzed the data of 39 patients male 35 (89.7%), female 4 (10.3%). Mean age of our study population was 55.0 ± 10.2 years and a mean BMI of 26.8 ± 3.81. There were 20 (54.1%) hypertensives, 2 (5.4%) diabetics and 5 (13.5%) smokers. There was only one patient with a history of previous myocardial infarction. Majority of the patients belonged to NYHA class II 30 (76.9%) with a mean EF of 56.6 ± 5.17. Prolonged Ventilation (>24 hrs) was significantly associated with lesser values of VO2 max with a p-value of 0.01. Similarly, post-operative mortality and prolonged hospital stay in the low VO2 max groups correlated with the trends predicted by the society of thoracic surgeons scoring system. Conclusion: We conclude from this study that low preoperative VO2 max levels correlated well with STS scoring system for predicting mortality, ventilation time and length of hospital stay.Imtiaz Ahmad ChaudhryFarrah PervaizKaleem AhmedMehwish NaseerAysha SiddiqaHafsa KhalilMuhammad Afsheen IqbalArmy Medical College Rawalpindiarticlecardiopulmonary exercise testingcoronary artery bypass grafting surgerypeak oxygen uptake (vo2 peak)society of thoracic surgeon scoreMedicineRMedicine (General)R5-920ENPakistan Armed Forces Medical Journal, Vol 70, Iss 4, Pp 897-903 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	cardiopulmonary exercise testing coronary artery bypass grafting surgery peak oxygen uptake (vo2 peak) society of thoracic surgeon score Medicine R Medicine (General) R5-920
spellingShingle	cardiopulmonary exercise testing coronary artery bypass grafting surgery peak oxygen uptake (vo2 peak) society of thoracic surgeon score Medicine R Medicine (General) R5-920 Imtiaz Ahmad Chaudhry Farrah Pervaiz Kaleem Ahmed Mehwish Naseer Aysha Siddiqa Hafsa Khalil Muhammad Afsheen Iqbal VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY
description	Objective: To validate VO2 max testing with society of thoracic surgeon (STS) score in the preoperative assessment of patients undergoing coronary artery bypass graft surgery. Study Design: This was a single center and observational study. Place and Duration of Study: Armed Forces Institute of Cardiology and National Institute of Heart Diseases, Rawalpindi Methodology: Forty four adult patients undergoing elective on pump coronary artery bypass graft surgery with an EF of >45% were included in this study as per inclusion criteria through non probability consecutive sampling. Five patients were lost to follow up. In 39 patients preoperative society of thoracic surgeons scoring was done and VO2 max of these patients was calculated. After coronary artery bypass graft surgery these patients were followed for mortality and morbidity. The discriminative capacity of VO2 max was compared with the STS risk scoring system using Receiver Operating Characteristic curves (ROC-curves). Results: We analyzed the data of 39 patients male 35 (89.7%), female 4 (10.3%). Mean age of our study population was 55.0 ± 10.2 years and a mean BMI of 26.8 ± 3.81. There were 20 (54.1%) hypertensives, 2 (5.4%) diabetics and 5 (13.5%) smokers. There was only one patient with a history of previous myocardial infarction. Majority of the patients belonged to NYHA class II 30 (76.9%) with a mean EF of 56.6 ± 5.17. Prolonged Ventilation (>24 hrs) was significantly associated with lesser values of VO2 max with a p-value of 0.01. Similarly, post-operative mortality and prolonged hospital stay in the low VO2 max groups correlated with the trends predicted by the society of thoracic surgeons scoring system. Conclusion: We conclude from this study that low preoperative VO2 max levels correlated well with STS scoring system for predicting mortality, ventilation time and length of hospital stay.
format	article
author	Imtiaz Ahmad Chaudhry Farrah Pervaiz Kaleem Ahmed Mehwish Naseer Aysha Siddiqa Hafsa Khalil Muhammad Afsheen Iqbal
author_facet	Imtiaz Ahmad Chaudhry Farrah Pervaiz Kaleem Ahmed Mehwish Naseer Aysha Siddiqa Hafsa Khalil Muhammad Afsheen Iqbal
author_sort	Imtiaz Ahmad Chaudhry
title	VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY
title_short	VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY
title_full	VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY
title_fullStr	VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY
title_full_unstemmed	VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY
title_sort	validation of maximum oxygen consumption (vo2 max) with society of thoracic surgeon (sts) risk score in preoperative assessment of patients undergoing coronary artery bypass graft (cabg) surgery: a pilot study
publisher	Army Medical College Rawalpindi
publishDate	2020
url	https://doaj.org/article/45bc93db239243b5ba8adc0968f354a3
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VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY

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