LETTER TO EDITOR
Year : 2015 | Volume
| Issue : 2 | Page : 227-229
Right sided congenital diaphragmatic hernia: A rare neonatal emergency
Leena Harshad Parate, Chamanahalli Rajappa Geetha, Saurabh Vig
Department of Anesthesia, M.S. Ramaiah Medical Collage, Bengaluru, Karnataka, India
Dr. Leena Harshad Parate
Department of Anaesthesia, M.S. Ramaiah Medical Collage, Bengaluru, Karnataka
Source of Support: None, Conflict of Interest: None
|Date of Web Publication||10-Mar-2015|
|How to cite this article:|
Parate LH, Geetha CR, Vig S. Right sided congenital diaphragmatic hernia: A rare neonatal emergency. Saudi J Anaesth 2015;9:227-9
|How to cite this URL:|
Parate LH, Geetha CR, Vig S. Right sided congenital diaphragmatic hernia: A rare neonatal emergency. Saudi J Anaesth [serial online] 2015 [cited 2019 Dec 10];9:227-9. Available from: http://www.saudija.org/text.asp?2015/9/2/227/152900
Congenital diaphragmatic hernia (CDH) occurs in 1 in 5000 live births. Right sided lesions are rare (10-15%) compared with left sided (85%) as liver plugs the opening. Right congenital diaphragmatic hernia carries disproportionately high mortality and morbidity. Presence of liver herniation is a predictive of poor outcome.  It results in caval compression, reduced preload and impaired cardiac output. 
A 4-day-old baby weighing 2.3 kg born by vaginal delivery at 36 weeks. He was diagnosed antenatally as a case of CDH. In view of respiratory distress he was intubated. Ventilation was instituted by keeping peak inspiratory pressure (PIP) of 20 cm H 2 O, FiO 2 of 0.6 and respiratory rate of 60/min. Circulatory support was started in the form of dopamine infusion and intravenous fluid. His echo revealed moderate pulmonary hypertension. Chest X-ray showed multiple intestinal loops with liver herniation in right sided hemithorax and severe mediastinal shift in the left side [Figure 1]. His ABG revealed pH-7.25, PCO 2 -44 mmHg, PO 2 -88 mmHg HCO 3 -18 mEq/L and lactates-1.5 ummol/L. His preductual and postductal SpO 2 differed by 5%. Hb was 15 g% and the rest of the investigations were normal. After 3 days of stabilization child was posted for surgical repair of the hernia.
Inside operation theater routine monitors (electrocardiogram, noninvasive blood pressure, SpO 2 , EtCO 2 , temperature) were attached. Neonatal resuscitation trolley was kept ready. Baseline parameters of heart rate 144/min and BP-66/40 mmHg were noted. His preductal SpO 2 was 95% and posductal saturation was 90%. Continuous nasogastric suctioning was done. Intravenous (IV) fentanyl 5 ug and IV atracurium was given. Pressure controlled ventilation was started with PIP of 20 cm H 2 O, respiratory rate of 50/min with FiO 2 of 0.7. Anesthesia was maintained with oxygen, air and sevoflurane. The anaesthetic goal was to avoid hypoxia, hypotension and hypothermia, which increases pulmonary vascular resistance and worsens the right to left shunt. A right subcostal incision was made. Liver and bowel loops were reduced [Figure 2]. The defect in right hemidiaphragm was closed. Child remained stable throughout the surgery. Duration of surgery was 2 h. Intraoperative blood and fluid loss were replaced with Isolyte P. Child was electively ventilated postoperatively. IV morphine infusion was started for sedation. Muscle relaxants were avoided, and spontaneous respiration was encouraged. Child was extubated on POD 5, but could not tolerate extubation and was reintubated on the same day. On POD 8 again trial for extubation was given which he tolerated well.
|Figure 2: Right congenital diaphragmatic hernia with reduced contents (liver and intestine)|
Click here to view
The goal of preoperative stabilization includes blood pressure normal for gestational age, preductal SpO 2 of 85-95%, lactate <3 mmol/L, urine output >2 ml/kg.  This was achieved in our case. Ventilation strategy first described by Wung et al. was used in this case.  It aims at achieving adequate tissue oxygenation with minimal barotrauma. It consists of limiting PIP <25 cm H 2 O, permissive hypercapnia (PaCO 2 between 45 and 60 mmHg). This strategy has shown to increase in survival and decreased use in extracorporeal membrane oxygenation. Continuous nasogastric suctioning should be done to prevent bowel distension and further lung compression.
Until date, there are no uniform guidelines for the management of CDH. Many centers lack advanced neonatal care facilities affecting the prognosis. However, still conventional technique have shown good outcome. 
| References|| |
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Right-sided diaphragmatic eventration: A rare cause of non-immune hydrops fetalis. Neonatology 2007;92:14-8.
Reiss I, Schaible T, van den Hout L, Capolupo I, Allegaert K, van Heijst A, et al.
Standardized postnatal management of infants with congenital diaphragmatic hernia in Europe: The CDH EURO Consortium consensus. Neonatology 2010;98:354-64.
Wung JT, Sahni R, Moffitt ST, Lipsitz E, Stolar CJ. Congenital diaphragmatic hernia: Survival treated with very delayed surgery, spontaneous respiration, and no chest tube. J Pediatr Surg 1995;30:406-9.
Kaparti L, Padmaja R. Anaesthetic management of a neonate with right sided congenital diaphragmatic hernia. J Clin Diagn Res 2013;7:3002-3.
[Figure 1], [Figure 2]
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