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. 2021 May 25;21(1):160.
doi: 10.1186/s12871-021-01375-w.

Post-operative pain management modalities employed in clinical trials for adult patients in LMIC; a systematic review

Gauhar Afshan  1 , Robyna Irshad Khan  2 , Aliya Ahmed  2 , Ali Sarfraz Siddiqui  3 , Azhar Rehman  3 , Syed Amir Raza  3 , Rozina Kerai  2 , Khawaja Mustafa  2
Affiliations

Post-operative pain management modalities employed in clinical trials for adult patients in LMIC; a systematic review

Gauhar Afshan et al. BMC Anesthesiol. .

Abstract

Background: Unrelieved postoperative pain afflicts millions each year in low and middle income countries (LMIC). Despite substantial advances in the study of pain, this area remains neglected. Current systematic review was designed to ascertain the types of clinical trials conducted in LMIC on postoperative pain management modalities over the last decade.

Methods: A comprehensive search was performed in June 2019 on PubMed, Cochrane Library, CINAHL Plus, and Web of Science databases to identify relevant trials on the management of postoperative pain in LMIC. Out of 1450 RCTs, 108 studies were reviewed for quality evidence using structured form of critical appraisal skill program. Total of 51 clinical trials were included after applying inclusion/exclusion criteria.

Results: Results are charted according to the type of surgery. Eleven trials on laparoscopic cholecystectomy used multimodal analgesia including some form of regional analgesia. Different analgesic modalities were studied in 4 trials on thoracotomy, but none used multimodal approach. In 11 trials on laparotomy, multimodal analgesia was employed along with the studied modalities. In 2 trials on hysterectomy, preemptive pregabalin or gabapentin were used for reduction in rescue analgesia. In 13 trials on breast surgical procedures and 10 on orthopaedic surgery, multimodal analgesia was used with some form of regional analgesia.

Conclusion: We found that over the past 10 years, clinical trials for postoperative pain modalities have evolved in LMIC according to the current postoperative pain management guidelines i.e. multi-modal approach with some form of regional analgesia. The current review shows that clinical trials were conducted using multimodal analgesia including but not limited to some form of regional analgesia for postoperative pain in LMIC however this research snapshot (of only three countries) may not exactly reflect the clinical practices in all 47 countries. Post Operative Pain Management Modalities Employed in Clinical Trials for Adult Patients in LMIC; A Systematic Review.

Keywords: LMIC; Multimodal analgesia; Post-operative pain.

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Conflict of interest statement

The authors declared no potential competing interest with respect to the research, authorship and/or publication of this article.

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