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Evans-Barns HME, Tien MY, Trajanovska M, Safe M, Hutson JM, Dinning PG, King SK. Post-Operative Anorectal Manometry in Children following Anorectal Malformation Repair: A Systematic Review. J Clin Med 2023; 12:jcm12072543. [PMID: 37048627 PMCID: PMC10094903 DOI: 10.3390/jcm12072543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/02/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Despite surgical correction, children with anorectal malformations may experience long-term bowel dysfunction, including fecal incontinence and/or disorders of evacuation. Anorectal manometry is the most widely used test of anorectal function. Although considerable attention has been devoted to its application in the anorectal malformation cohort, there have been few attempts to consolidate the findings obtained. This systematic review aimed to (1) synthesize and evaluate the existing data regarding anorectal manometry results in children following anorectal malformation repair, and (2) evaluate the manometry protocols utilized, including equipment, assessment approach, and interpretation. We reviewed four databases (Embase, MEDLINE, the Cochrane Library, and PubMed) for relevant articles published between 1 January 1985 and 10 March 2022. Studies reporting post-operative anorectal manometry in children (<18 years) following anorectal malformation repair were evaluated for eligibility. Sixty-three studies were eligible for inclusion. Of the combined total cohort of 2155 patients, anorectal manometry results were reported for 1755 children following repair of anorectal malformations. Reduced resting pressure was consistently identified in children with anorectal malformations, particularly in those with more complex malformation types and/or fecal incontinence. Significant variability was identified in relation to manometry equipment, protocols, and interpretation. Few studies provided adequate cohort medical characteristics to facilitate interpretation of anorectal manometry findings within the context of the broader continence mechanism. This review highlights a widespread lack of standardization in the anorectal manometry procedure used to assess anorectal function in children following anorectal malformation repair. Consequently, interpretation and comparison of findings, both within and between institutions, is exceedingly challenging, if not impossible. Standardized manometry protocols, accompanied by a consistent approach to analysis, including definitions of normality and abnormality, are essential to enhance the comparability and clinical relevance of results.
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Rajasegaran S, Tan WS, Ezrien DE, Sanmugam A, Singaravel S, Nah SA. Utility of postoperative anorectal manometry in children with anorectal malformation: a systematic review. Pediatr Surg Int 2022; 38:1089-1097. [PMID: 35727358 DOI: 10.1007/s00383-022-05152-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/04/2022] [Indexed: 10/18/2022]
Abstract
Children with anorectal malformation (ARM) often continue to have disturbances in bowel function long after reconstructive surgery. Anorectal manometry may be utilized to evaluate bowel function in these children. We aimed to describe the reported protocols and manometric findings in children with ARM post-reconstructive surgery and to investigate the correlation between manometric evaluation and bowel functional outcome. PubMed, EMBASE, and Google Scholar databases were searched from 1980 to 2021. Data were reviewed and extracted independently by two authors, in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses. Included studies were English articles reporting postoperative assessment of children (≤ 18 years) with ARM using anorectal manometry. From 128 articles obtained in the initial search, five retrospective cohort studies and one prospective study fulfilled inclusion criteria. The rectoanal inhibitory reflex and mean anal resting pressure were parameters most often reported to correlate with postoperative bowel function. The least reported parameters among the studies were high-pressure zone, rectal volume, and rectal sensation. Anorectal manometry could be an objective method providing important information for personalized management of postoperative ARM patients with bowel function issues, but lack of standardized protocols limits a comprehensive analysis of their utility.
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Affiliation(s)
- Suganthi Rajasegaran
- Division of Paediatric and Neonatal Surgery, Department of Surgery, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Wei Sheng Tan
- Division of Paediatric and Neonatal Surgery, Department of Surgery, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.,Paediatric Surgery Unit, Department of Surgery, University of Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Don Evana Ezrien
- Paediatric Surgery Unit, Department of Surgery, University of Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Anand Sanmugam
- Division of Paediatric and Neonatal Surgery, Department of Surgery, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.,Paediatric Surgery Unit, Department of Surgery, University of Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Srihari Singaravel
- Division of Paediatric and Neonatal Surgery, Department of Surgery, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.,Paediatric Surgery Unit, Department of Surgery, University of Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Shireen Anne Nah
- Division of Paediatric and Neonatal Surgery, Department of Surgery, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia. .,Paediatric Surgery Unit, Department of Surgery, University of Malaya Medical Centre, Kuala Lumpur, Malaysia.
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