Observational studyAnnals of African medicine2026
Diagnostic Accuracy of Anorectal Manometry in Identifying Dyssynergic Defecation among Chronic Constipation Patients.
Observational study in Annals of African medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
backgroundDyssynergic defecation (DD) is a common yet underdiagnosed subtype of chronic constipation, often refractory to conventional treatment. Anorectal manometry (ARM) is a valuable physiological tool for identifying neuromuscular abnormalities contributing to DD.
objectiveThis study aimed to assess the diagnostic accuracy of ARM in detecting DD among patients with chronic constipation. MATERIALS AND
methodsA prospective observational study was conducted at Dr. D. Y. Patil Medical College, Pune, between January 2023 and February 2025, involving 102 patients with chronic constipation unresponsive to laxatives and lifestyle changes. Patients underwent high-resolution ARM and balloon expulsion test (BET). Dyssynergic patterns were classified using Rao's criteria. Data were analyzed using SPSS v26.0.
resultsAmong the participants (mean age 45.53 ± 13.3 years), 75.5% were diagnosed with DD via ARM. The most prevalent manometric subtype was Type IV (28.4%), followed by Type I (21.6%). ARM demonstrated high diagnostic accuracy with a sensitivity of 97.4%, specificity of 88.5%, and overall accuracy of 95.1% when compared with BET.
conclusionARM is a reliable diagnostic modality for evaluating functional defecatory disorders. Incorporating ARM into routine evaluation of chronic constipation, especially when empirical therapies fail, can significantly enhance diagnostic precision and guide targeted interventions such as biofeedback therapy.
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