atresia ani in calf
DESCRIPTION
Case presentation on correction of atresia ani in calf in SAQTVH, CVASU Chittagong, Bangladesh.TRANSCRIPT
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CHITTAGONG VETERINARY & ANIMAL SCIENCES UNIVERSITY. KHULSHI, CHITTAGONG-4202.
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Rifatul Erfan – 08/101 Abdullah al faruq – 08/103 (Presentator)
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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
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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.
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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.
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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
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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
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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
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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
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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.)
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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.
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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.
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Thank you for keen attention
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