Systematic Characterization of Defecographic Abnormalities in a Consecutive Series of 827 Patients With Chronic
Ugo Grossi1,2, Henriette Heinrich3, Gian Luca Di Tanna4
1Centre for Neuroscience, Surgery and Trauma, and GI Physiology Unit, Barts and the London School of Medicine & Dentistry, Queen Mary University London, London, United Kingdom.
Background:
Barium defecography can assess structural and functional abnormalities in patients with chronic constipation.
Objective:
The purpose of this study was to determine the prevalence of individual and overlapping defecographic findings in this setting.
Design:
This was a cross-sectional study.
Settings:
The study was conducted at a university hospital tertiary GI physiology department.
Patients:
Consecutive examinations of 827 consecutive patients presenting over a 30-month period with well-defined symptom severity (≥12 points on the Cleveland Clinic Constipation score) were included. Systematic evaluation of images with results stratified by sex is described.
Main Outcome Measures:
Six individual functional or anatomic (intussusception, rectocele, enterocele, megarectum, excessive dynamic perineal descent) defecographic observations were defined a priori, thus permitting 26 possible combinations of findings (ie, 63 abnormal types + 1 normal).
Results:
Patients with constipation (mean symptom score = 19) were predominantly female (88%), with median age of 49 years (range, 17-98 y) . All 6 individual radiologic findings were identified with a total of 43 combinations found in the cohort; the 14 most prevalent of these accounted for >85% of patients. Only 136 patients (16.4%) had a normal defecography (34.3% males vs 13.9% females; p < 0.0001). Overall, 612 patients (74.0%) had structural (n = 508 (61.4%)) or functional (n=104 (12.6%)) abnormalities in isolation, with 79 (9.6%) others exhibiting combinations of both. Functional abnormalities in isolation were more common in males compared with females (22.5% vs11.2%; p = 0.025) as opposed to structural abnormalities (57.8% vs 85.7%; p < 0.0001). Expulsion time was longer in females compared with males (110 s (60-120 s) vs 90 s (60-120 s); p = 0.049).
Limitations:
The study was limited by its lack of multiorgan opacification.
Conclusions:
These results provide a contemporary atlas of defecographic findings in constipation. Several individual structural and functional features have been systematically classified, with overlap greater than previously acknowledged and profound differences among sexes that carry implications for tailoring management. See Video Abstract at http://links.lww.com/DCR/B552.
Caracterizacin Sistemtica De Anomalas Defecogrficas En Una Serie Consecutiva De Pacientes Con Estreimiento Crnico:
ANTECEDENTES:La defecografía con bario puede evaluar anomalías estructurales y funcionales en pacientes con estreñimiento crónico.OBJETIVO:Determinar la prevalencia de hallazgos defecográficos individuales y superpuestos en este entorno.DISEÑO:Transversal.ENTORNO CLINICO:Hospital Universitario de tercer nivel, departamento de fisiología gastrointestinal.PACIENTES:Exploraciones consecutivas de 827 pacientes consecutivos que se presentaron durante un período de 30 meses con una gravedad de los síntomas bien definida (≥12 puntos en la escala de estreñimiento de la Cleveland Clinic): evaluación sistemática de imágenes con resultados estratificados por sexo.PRINCIPALES MEDIDAS DE VALORACION:Se definieron a priori seis observaciones defecográficas individuales, funcionales o anatómicas (intususcepción, rectocele, enterocele, megarecto, descenso perineal dinámico excesivo), lo que permitió 26 combinaciones posibles de hallazgos (es decir, 63 tipos anormales + 1 normal).RESULTADOS:Los pacientes con estreñimiento (puntuación media de síntomas, 19) eran predominantemente mujeres (88%) con una edad mediana de 49 (17-98) años. Se identificaron 6 hallazgos radiológicos individuales con un total de 43 combinaciones encontradas en la cohorte; los 14 más predominantes de éstos representaron >85% de los pacientes.Solo 136 (16,4%) pacientes tuvieron una defecografía normal (34,3% hombres vs. 13,9% mujeres; P < 0,0001). En general, 612 (74,0%) pacientes tenían anomalías estructurales (n = 508 [61,4%]) o funcionales (n = 104 [12,6%]) de forma aislada, y otros 79 (9,6%) presentaban combinaciones de ambas. Las anomalías funcionales aisladas fueron más comunes en los hombres en comparación con las mujeres (22,5% vs. 11,2%, P = 0,025) en comparación con las anomalías estructurales (57,8 vs. 85,7%, P < 0,0001). El tiempo de expulsión fue mayor en las mujeres en comparación con los hombres (110 [60-120] vs. 90 [60-120] segundos; P = 0,049).LIMITACIONES:Falta de opacificación multiorgánica.CONCLUSIONES:Estos resultados proporcionan un atlas contemporáneo de hallazgos defecográficos en estreñimiento. Varias características individuales, estructurales y funcionales; se han clasificado sistemáticamente, con una superposición mayor que la reconocida anteriormente y con grandes diferencias entre los sexos que tienen implicaciones para adaptar su tratamiento. Consulte Video Resumen en http://links.lww.com/DCR/B552.
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