Intermittent Subcutaneous Morphine for Postoperative Analgesia Following Coronary Artery Bypass Grafting

Introduction: An effective postoperative pain management is of utmost importance following cardiac surgery. Various agents, routes and modes are available for the treatment of postoperative pain. Subcutaneous route of administration is an easy and effective method of postoperative analgesia with...

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Main Authors: CN Namitha, Manjunath R Kamath, Ananda Bange, M Gopala Krishnan, B Amith Kiran
Format: Article
Language:English
Published: JCDR Research and Publications Private Limited 2020-07-01
Series:Journal of Clinical and Diagnostic Research
Subjects:
Online Access:https://jcdr.net/articles/PDF/13837/44277_CE[Ra1]_F(SHU)_PF1(Su_AKA_KM)_PN(SL).pdf
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author CN Namitha
Manjunath R Kamath
Ananda Bange
M Gopala Krishnan
B Amith Kiran
author_facet CN Namitha
Manjunath R Kamath
Ananda Bange
M Gopala Krishnan
B Amith Kiran
author_sort CN Namitha
collection DOAJ
description Introduction: An effective postoperative pain management is of utmost importance following cardiac surgery. Various agents, routes and modes are available for the treatment of postoperative pain. Subcutaneous route of administration is an easy and effective method of postoperative analgesia with improved patient satisfaction and lesser side effects compared to intravenous route. Aim: To evaluate the efficacy of Subcutaneous Morphine (SCM) as postoperative analgesia following Coronary Artery Bypass Grafting (CABG). Materials and Methods: This study was designed as a retrospective analytical survey from June 2015 to June 2017. Medical records of all patients over 18 years of age who underwent coronary artery bypass grafting were reviewed. Patients belonging to ASA PS I, II and III, patients above 18 years of age and those posted for coronary artery bypass grafting were included in the study. Patients were divided into two groups: SCM group and Paracetamol (PCT) group, depending on the primary analgesia they received. The two groups were compared using Student’s t-test for normally distributed continuous data or non-parametric tests if the data were not normally distributed. Categorical data were compared by Fisher’s-exact test. The p-values <0.05 were considered statistically significant. Results: A total of 102 records were reviewed, out of which 49 patients received SCM and 53 patients had received PCT as their primary postoperative analgesia. It was observed that PCT group required more additional analgesia (intravenous fentanyl/ tramadol) than SCM group which was statistically significant with p-value of <0.001 and the duration of Cardiac Intensive Care Unit (CICU) stay was more in PCT group with p-value of 0.001. Postoperative side effects were significantly more in PCT group. Conclusion: SCM can be effectively administered intermittently for postoperative analgesia following CABG with similar haemodynamic stability and minimal side effects as compared to intermittent intravenous PCT.
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spelling doaj.art-fa810c079e0f4668b365877a055532332022-12-21T23:16:59ZengJCDR Research and Publications Private LimitedJournal of Clinical and Diagnostic Research2249-782X0973-709X2020-07-01147010310.7860/JCDR/2020/44277.13837Intermittent Subcutaneous Morphine for Postoperative Analgesia Following Coronary Artery Bypass GraftingCN Namitha0Manjunath R Kamath1Ananda Bange2M Gopala Krishnan3B Amith Kiran4Assistant Professor, Department of Anaesthesiology, Eastpoint College of Medical Sciences and Research Centre, Bengaluru, Karnataka, India.Professor, Department of Anaesthesiology, K S Hegde Medical Academy, Mangalore, Karnataka, India.Professor, Department of Anaesthesiology, K S Hegde Medical Academy, Mangalore, Karnataka, India.Professor, Department of CTVS, K S Hegde Medical Academy, Mangalore, Karnataka, IndiaAssociate Professor, Department of CTVS, K S Hegde Medical Academy, Mangalore, Karnataka, India.Introduction: An effective postoperative pain management is of utmost importance following cardiac surgery. Various agents, routes and modes are available for the treatment of postoperative pain. Subcutaneous route of administration is an easy and effective method of postoperative analgesia with improved patient satisfaction and lesser side effects compared to intravenous route. Aim: To evaluate the efficacy of Subcutaneous Morphine (SCM) as postoperative analgesia following Coronary Artery Bypass Grafting (CABG). Materials and Methods: This study was designed as a retrospective analytical survey from June 2015 to June 2017. Medical records of all patients over 18 years of age who underwent coronary artery bypass grafting were reviewed. Patients belonging to ASA PS I, II and III, patients above 18 years of age and those posted for coronary artery bypass grafting were included in the study. Patients were divided into two groups: SCM group and Paracetamol (PCT) group, depending on the primary analgesia they received. The two groups were compared using Student’s t-test for normally distributed continuous data or non-parametric tests if the data were not normally distributed. Categorical data were compared by Fisher’s-exact test. The p-values <0.05 were considered statistically significant. Results: A total of 102 records were reviewed, out of which 49 patients received SCM and 53 patients had received PCT as their primary postoperative analgesia. It was observed that PCT group required more additional analgesia (intravenous fentanyl/ tramadol) than SCM group which was statistically significant with p-value of <0.001 and the duration of Cardiac Intensive Care Unit (CICU) stay was more in PCT group with p-value of 0.001. Postoperative side effects were significantly more in PCT group. Conclusion: SCM can be effectively administered intermittently for postoperative analgesia following CABG with similar haemodynamic stability and minimal side effects as compared to intermittent intravenous PCT.https://jcdr.net/articles/PDF/13837/44277_CE[Ra1]_F(SHU)_PF1(Su_AKA_KM)_PN(SL).pdfheart bypass surgerymultimodal analgesiapostoperative painsubcutaneous injection
spellingShingle CN Namitha
Manjunath R Kamath
Ananda Bange
M Gopala Krishnan
B Amith Kiran
Intermittent Subcutaneous Morphine for Postoperative Analgesia Following Coronary Artery Bypass Grafting
Journal of Clinical and Diagnostic Research
heart bypass surgery
multimodal analgesia
postoperative pain
subcutaneous injection
title Intermittent Subcutaneous Morphine for Postoperative Analgesia Following Coronary Artery Bypass Grafting
title_full Intermittent Subcutaneous Morphine for Postoperative Analgesia Following Coronary Artery Bypass Grafting
title_fullStr Intermittent Subcutaneous Morphine for Postoperative Analgesia Following Coronary Artery Bypass Grafting
title_full_unstemmed Intermittent Subcutaneous Morphine for Postoperative Analgesia Following Coronary Artery Bypass Grafting
title_short Intermittent Subcutaneous Morphine for Postoperative Analgesia Following Coronary Artery Bypass Grafting
title_sort intermittent subcutaneous morphine for postoperative analgesia following coronary artery bypass grafting
topic heart bypass surgery
multimodal analgesia
postoperative pain
subcutaneous injection
url https://jcdr.net/articles/PDF/13837/44277_CE[Ra1]_F(SHU)_PF1(Su_AKA_KM)_PN(SL).pdf
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