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Low anorectal malformation — Clinical Guidelines

Overview

Low anorectal malformations (ARMs) involve anomalies in the development of the anal canal and rectum, often associated with other congenital anomalies, particularly urological and skeletal abnormalities. These conditions require multidisciplinary care from pediatric to adult stages due to potential long-term complications 1 6.

Diagnosis

Clinical Presentation: Presence of anorectal malformation with varying degrees of complexity, often requiring imaging for accurate assessment 3 7.

Imaging: Utilization of ultrasound, MRI, and/or radiographic studies to evaluate the extent of malformation and associated anomalies 7.

Grading Systems: Use of classification systems like the ARMs-ISPU classification to assess severity and guide management 4.

Urological Evaluation: Routine assessment for associated urological abnormalities due to high incidence 4 17.

Management

Surgical Intervention: Primary surgical repair tailored to the specific ARM type, with consideration for staged procedures for complex cases 3 11.

Multidisciplinary Care: Collaboration between pediatric surgeons, urologists, orthopedic specialists, and geneticists to address associated anomalies 6 17.

Long-term Follow-up: Regular monitoring for urological, gastrointestinal, and orthopedic outcomes into adulthood 3 6.

Psychosocial Support: Addressing sexual and reproductive health needs, often requiring transition to adult care specialists 1.

Special Populations

Pediatrics: Early diagnosis and intervention are crucial for optimal outcomes, with a focus on comprehensive multidisciplinary care 3 17.

Adults: Transition to adult care requires specialized knowledge among OB/GYN physicians to manage reproductive and continence issues 1.

Key Recommendations

Multidisciplinary Team Approach: Essential for comprehensive management of low anorectal malformations, addressing both immediate surgical needs and long-term complications (Evidence: Strong 6 17).

Routine Urological Screening: Given the high incidence of associated urological anomalies, routine evaluation is critical (Evidence: Moderate 4 17).

Transition to Adult Care: Specialized training for adult healthcare providers in managing ARM patients is necessary to ensure continuity of care (Evidence: Expert opinion 1).

Long-term Follow-up: Regular monitoring for urological, gastrointestinal, and orthopedic outcomes is vital throughout the patient's life (Evidence: Moderate 3 6).

References

1 Srinivas S, Wilson J, Bergus KC, Kebodeaux C, McCracken K, Wood RJ et al.. Adult Obstetricians and Gynecologists Lack Knowledge of Anorectal Malformations-A Call for Action. Journal of pediatric and adolescent gynecology 2025. link 2 Peacock JL, Coto SD, Rees JR, Sauzet O, Jensen ET, Fichorova R et al.. Do small effects matter more in vulnerable populations? an investigation using Environmental influences on Child Health Outcomes (ECHO) cohorts. BMC public health 2024. link 3 Chong C, Hamza Y, Tan YW, Paul A, Garriboli M, Wright AJ et al.. Long-term urology outcomes of anorectal malformation. Journal of pediatric urology 2022. link 4 Fuchs ME, Halleran DR, Bourgeois T, Sebastião Y, Weaver L, Farrell N et al.. Correlation of anorectal malformation complexity and associated urologic abnormalities. Journal of pediatric surgery 2021. link 5 Batchelor M, Brown SJ, Glover K, Gartland D. A Systematic Review of Child Health and Developmental Outcomes Associated with Low Birthweight and/or Small for Gestational Age in Indigenous Children from Australia, Canada and New Zealand. International journal of environmental research and public health 2021. link 6 Skerritt C, DaJusta DG, Fuchs ME, Pohl H, Gomez-Lobo V, Hewitt G. Long-term urologic and gynecologic follow-up and the importance of collaboration for patients with anorectal malformations. Seminars in pediatric surgery 2020. link 7 Riccabona M, Lobo ML, Ording-Muller LS, Thomas Augdal A, Fred Avni E, Blickman J et al.. European Society of Paediatric Radiology abdominal imaging task force recommendations in paediatric uroradiology, part IX: Imaging in anorectal and cloacal malformation, imaging in childhood ovarian torsion, and efforts in standardising paediatric uroradiology terminology. Pediatric radiology 2017. link 8 Usang UE, Agan TU, Inyang AW, Emehute JD, Itam IH. Syndromic anorectal malformation associated with Holt-Oram syndrome, microcephaly, and bilateral corneal opacity: a case report. Journal of medical case reports 2016. link 9 Morgan C, Dodds L, Langille DB, Weiler HA, Armson BA, Forest JC et al.. Cord blood vitamin D status and neonatal outcomes in a birth cohort in Quebec, Canada. Archives of gynecology and obstetrics 2016. link 10 de Blaauw I, Wijers CH, Schmiedeke E, Holland-Cunz S, Gamba P, Marcelis CL et al.. First results of a European multi-center registry of patients with anorectal malformations. Journal of pediatric surgery 2013. link 11 Sangkhathat S, Patrapinyokul S, Chiengkriwate P. Functional and manometric outcomes after a congenital pouch colon reconstruction: report of a case. Journal of the Medical Association of Thailand = Chotmaihet thangphaet 2012. link 12 Bhat NA. Congenital pouch colon syndrome: a report of 17 cases. Annals of Saudi medicine 2007. link 13 Kumar A, Gupta AK, Bhatnagar V. Low anorectal malformation associated with sarococcygeal teratoma. Tropical gastroenterology : official journal of the Digestive Diseases Foundation 2004. link 14 Gegg CA, Vollmer DG, Tullous MW, Kagan-Hallet KS. An unusual case of the complete Currarino triad: case report, discussion of the literature and the embryogenic implications. Neurosurgery 1999. link 15 Budhiraja S, Pandit SK, Rattan KN. A report of 27 cases of congenital short colon with an imperforate anus: so-called 'pouch colon syndrome'. Tropical doctor 1997. link 16 Lee SC, Chun YS, Jung SE, Park KW, Kim WK. Currarino triad: anorectal malformation, sacral bony abnormality, and presacral mass--a review of 11 cases. Journal of pediatric surgery 1997. link90094-4) 17 Hassink EA, Rieu PN, Hamel BC, Severijnen RS, vd Staak FH, Festen C. Additional congenital defects in anorectal malformations. European journal of pediatrics 1996. link 18 Haas JS, Orav EJ, Goldman L. The relationship between physicians' qualifications and experience and the adequacy of prenatal care and low birthweight. American journal of public health 1995. link 19 Ackroyd R, Nour S. Long-term faecal continence in infants born with anorectal malformations. Journal of the Royal Society of Medicine 1994. link 20 Mo-Suwan L. Predictors of low birthweight delivery: a study of factors influencing birthweights. Journal of the Medical Association of Thailand = Chotmaihet thangphaet 1989. link 21 Ransome-Kuti O. Intra-uterine growth, birthweights and maturity of the African newborn. Acta paediatrica Scandinavica. Supplement 1985. link 22 Joffe M. Association of syndromes predisposing to low birthweight. Early human development 1984. link90116-6) 23 Orzalesi M, Colarizi P. Critical vitamins for low birthweight infants. Acta paediatrica Scandinavica. Supplement 1982. link 24 Smith EI, Gill CC. Prestenotic enteritis and enterocolitis in children: Description of a syndrome and review of five cases. Southern medical journal 1975. link

Low anorectal malformation