CHITTAGONG VETERINARY & ANIMAL SCIENCES UNIVERSITY. KHULSHI, CHITTAGONG-4202.

Rifatul Erfan – 08/101 Abdullah al faruq – 08/103 (Presentator)

Atresia ani (AA) is the congenital absence of anal opening where rectum is fully developed

Cause:Unknown but genetics seem to play a minor role.

Symptoms:A vet can make an obvious

visual diagnosis of anal atresia right after birth

The congenital abnormalities of the anus & rectum are fairely common in young ones ( Nixon, 1972, Dreyfuss & Tulleners,1989 & Ansari, 2005 )

Various surgical techniques have been used to correct AA in domestic animals ( Singh, 1989 & Jubb et al, 1993)

This presentation communicates a case of AA in a male calf which was treated successfully by surgical intervention.

A two day old male cow calf of cross breed was presented at SAQTVH at 9 Sept, 2013 from Ctg. Area. Body weight: 10.97 Kg

Complaint: Non passage of feces since birth.

Clinical Observations: The calf was not having anal opening with soft subcutaneous swelling below the ischial arch having distension of abdomen. Sign of tenesmas & abdominal pain were observed

Decision: The case was diagnosed as AA condition & planned for

surgery.

Site of Operation: Anal area where the anus should have been present

Anatomy: Location: Below the root of tail. Structures Involved: Sphincter muscles: Aid in anal contraction during defication. Folds of mucous lining Retractor ani muscle: Lies between rectum & sacroischiatic ligament Suspensory ligaments of anus: Band of muscle arises from 1st coccygeal vertebra, covers retractor ani muscle & unites below the anus Blood supply: Internal pudic artery & vein Nerve innervation: Pudic nerve

Restraining

Clipping & shaving

Painting with Tr. Iodine & 70% Alcohol

Instruments & operation table preparationOperation table

Cleaning

Washing

Spraying with 70% alcohol

Drying

Arranging required instruments

Instrument

General Surgical pack preparation

Autoclaving at 1210C, 15 lbs pressure/sq. inch for 15

minutes

Preparation of SurgeonPreparation of SurgeonWashing hands with liq. Soap up to knee joint

Drying

Spraying hands with 70% alcohol

Wearing surgical gown, mask, cap & hand gloves

Control & Anesthesia The animal was controlled in right lateral recumbent

position

Anesthesia was attained by low epidural anesthesia with 2% Lidocaine ( JasocaineR Inj. )

Dose: 5ml

Operative ProcedureOperative Procedure1. A circular incision was

made over the bulged area

below the base of tail

2. Palpation to locate rectum by inserting finger / probe / aspirating

fecal content trough the incision

3. Confirmation of rectum & making an

incision

4. Liquid feces /

meconium come out

immediately

5. Patency of opening was

maintained by application of

interrupted sutures between the skin & the mucous coat

Operative Procedure Operative Procedure ( Cntd.)( Cntd.)

Post-Operative CarePost-Operative Care The animal should be kept on liquid diet.

Prescription:1. Inj. SP – Vet --------------- 0.5gm × 10

Sig: Inject 2 vial i/mly s.i.d for 5 days2. Inj. Histavet ------------------ 10ml × 1

Sig: Inject 2ml i/mly s.i.d for 5 days.

Suture will be removed 10 days after surgery or after complete healing.

AcknowledgementAcknowledgement

We would like to thank Dr. Bhajan Chandra Das, Director, SAQTVH & Associate prof. Dept. of Medicine & Surgery for giving chance to participate in the operation & present the case study.

We also like to thank Tofazzal Md. Rakib, student of DVM - 402 for helping us to prepare this presentation.

Thank you for keen attention

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