Common Pulmonary Vein Atresia: The Role of Extracorporeal Membrane Oxygenation
Common pulmonary vein atresia is a rare form of cyanotic congenital heart disease in which the pulmonary veins join to form a blind confluence that does not communicate with the heart or the majorsystemic veins. Twenty-one cases have been reported since the lesion was first described in 1962; only two patients with this lesion have survived. Over a 4-year period, common pulmonaryvein atresia was diagnosed in five newborns referred to the San Diego Regional Extracorporeal Membrane Oxygenation Program. All five improved dramatically as a result of venoarterial bypass.Congenital heart disease was diagnosed at autopsy in the initial case and by cardiac ultrasound and/or catheterization in the others. Surgical repair was attempted in three neonates; all three required continued extracorporeal membrane oxygenation support postoperatively because of pulmonary hypertension and severe pulmonary parenchymal disease. One infant died of respiratory insufficiency at 3 months of age. The other two survived and were discharged from the hospital. The diagnostic and therapeutic dilemmas posed by this lesion and the life-saving potential for extracorporeal membrane oxygenation in this rapidly fatal cardiac anomaly are the bases of this report.
______________________________________________________________________________________________
The Journal of Thoracic and Cardiovascular Surgery, Vol 83, 443-448
Common pulmonary vein atresia: Importance of immediate recognition and surgical intervention
S Khonsari, PW Saunders, MH Lees and A Starr
Common pulmonary vein atresia is a rare congenital anomaly; all four pulmonary veins drain into a common dilated chamber with no direct connections to the heart or systemic venous system. Since its first description in 1962, 16 cases have been reported. Only four patients were surgically managed and none survived. This communication presents the seventeenth reported case of common pulmonary vein atresia and the only patient whose anomaly was suspected early enough to demand immediate surgical management, with gratifying long-term success. The literature on the subject is reviewed and common features of the anomaly are emphasized to facilitate precise diagnosis, so that a futile search for a nonexistent communicating vein is avoided at the time of operation. This approach has led to the first successful surgical management of this otherwise fatal lesion.
______________________________________________________________________________________________
Clinical Features of Neonates with Common Pulmonary Vein Atresia
KAJINO MAYUMI at al. | ||||||||||||||||||||||||||||||||||||||||||||
Abstract;We reviewed four neonates with common pulmonary vein atresia (CPVA) encountered at our institution since 1995. In all patients, chest radiography at birth showed severe pulmonary congestion, air leak and pleural effusion despite normal cardiac silhouette. Arterial blood gas analysis on admission demonstrated marked acidosis with hypoxemia and hypercapnea unresponsive to 100% oxygen and mechanical ventilation. In three patients, CPVA was diagonosed by echocardiography visualizing a small common pulmonary venous chamber behind the left atrium without major drainage veins. In the remaining one patient, a diagnosis of CPVA was established by autopsy. Two patients underwent corrective surgical repair for CPVA. However, these infants could not survive due to intractable hypoxemia. One patient could not proceed to the surgical repair after the diagnosis because of extremely very low birth weight, hypoplastic lungs and trisomy 13 and the infant died of hypoxemia. All four patients died. Autopsy on three patients demonstrated the typical anatomy of CPVA. In all patients, vertical veins were proven and found to be atretic. Two of the patients had dilated pulmonary lymphatic channels on the overall lung surfaces, which microscopic examination confirmed as pulmonary lymphangiectasis. In conclusion, CPVA is fatal despite early diagnosis and surgical correction. The cause of death was intractable hypoxemia due to persistent pulmonary venous obstruction and pulmonary lymphangiectasis. _________________________________________________________________________________________________ Congenit Heart Dis. 2008 Nov-Dec;3(6):431-4. Atresia of the common pulmonary vein--a rare congenital anomaly.Vaideeswar P, Tullu MS, Sathe PA, Nanavati R. Department of Pathology, Cardiovascular & Thoracic Division, Seth G.S. Medical College, KEM Hospital, Parel, Mumbai, India. shreeprajai@yahoo.co.in AbstractOBJECTIVES: Early atresia of the common pulmonary vein (ACPV) leads to total anomalous pulmonary venous drainage, while late atresia or incomplete absorption leads to common pulmonary vein atresia and cor triatriatum sinister (both of which are rare). We report seven cases of atresia of the common pulmonary vein at autopsy. DESIGN: Retrospective case records studied. SETTING: Tertiary care teaching hospital affiliated to medical college in Mumbai, India. PATIENTS AND METHODS: The clinical and autopsy records of neonates and infants diagnosed with ACPV over a period of 11 years were reviewed. The demographic data, clinical features, and results of investigations were correlated with the cardiac findings at necropsy. RESULTS: Seven neonates and infants (five males and two females) had ACPV. Six babies presented at birth and expired within 48 hours. They had a homogeneous group of symptoms of cyanosis since birth with respiratory distress and/or features of congestive cardiac failure. One had perimembranous ventricular septal defect with bicuspid pulmonary valve and atresia of aortic valve. Two had dysmorphic facial features suggestive of Down's syndrome. Isolated ACPV was seen in only two patients. Asplenia syndrome was seen in three patients. Marked dilatation of the pulmonary lymphatics was identified in three patients. CONCLUSIONS: Early atresia of the common pulmonary vein, an extremely rare abnormality, manifests in early infancy/neonatal period and needs urgent corrective surgery. It is associated with other congenital heart disorders and extracardiac manifestations as well. ____________________________________________________________________________________________________ This article provides an overall distribution frequencies of different types of drainage & incidence of pulmonary venous obstruction and hypertensive changes in pulmonary arteries. Pediatr Pathol. 1994 Jul-Aug;14(4):665-78. Total anomalous pulmonary venous drainage associated with fatal outcome in infancy and early childhood: an autopsy study of 52 cases.James CL, Keeling JW, Smith NM, Byard RW. Department of Tissue Pathology, Institute of Medical and Veterinary Science, Adelaide, Australia. AbstractClinicopathological details of 52 cases of total anomalous pulmonary venous drainage (TAPVD) taken from pediatric autopsy files from hospitals in Adelaide (Australia) Oxford and Edinburgh (United Kingdom) between 1957 and 1990 are presented. The patients ranged in age from a stillborn girl to a 15-month-old boy, with 42 cases (81%) dying in the first 3 months of life. While many patients had signs of a congenital cardiovascular anomaly prior to death, including tachypnea, tachycardia, central cyanosis, cardiac failure, heart murmurs, and difficulty in feeding, it was noteworthy that eight patients (16%) presented as sudden and unexpected death in the absence of significant antemortem symptoms and signs. Anomalous pulmonary venous drainage was also unsuspected prior to death in a total of 26 cases (53%) of those where relevant history was available (49 cases). Twelve infants (23%) underwent surgical correction, none of whom survived more than several weeks. TAPVD was isolated in 30 cases (58%) and was associated with other cardiac or congenital anomalies in 22 patients (42%). Just under half of nonisolated cases comprised the asplenia-heterotaxy syndrome. The points of drainage of the anomalous pulmonary veins were to the infradiaphragmatic veins (n = 21, 40%), left innominate vein (n = 13, 25%), coronary sinus (n = 7, 13%), right superior vena cava (n = 4, 8%), inferior vena cava above the diaphragm (n = 2, 4%), right innominate vein (n = 2, 4%), mixed left innominate vein and coronary sinus (n = 1, 2%), azygos vein (n = 1, 2%), and mixed right superior vena cava and left hemiazygos vein (n = 1, 2%). Twenty-three of 47 cases (49%) that were specifically examined revealed obstruction of the pulmonary veins or pulmonary hypertensive vascular changes on histology. These results emphasize that TAPVD needs to be excluded at autopsy as a causal factor in cases of sudden infant death even in the absence of antemortem symptoms and signs. Clues at autopsy include abnormal mobility of the heart, visceral situs inversus, and polyasplenia. The diversity of pulmonary-systemic venous anastomoses necessitates careful in situ dissection above and below the diaphragm and consideration of postmortem angiography. ______________________________________________________________________________________________________________ Pediatr Cardiol. 2001 May-Jun;22(3):255-7. Successful surgical repair of common pulmonary vein atresia in a newborn.Suzuki T, Sato M, Murai T, Fukuda T. Division of Cardiovascular Surgery, Tokyo Metropolitan Children's Hospital, 1-3-1 Umezono, Kiyose-shi, Tokyo 204-8567, Japan. AbstractA 7-hour-old boy underwent an emergency operation with an anticipated diagnosis of total anomalous pulmonary venous connection. The precise diagnosis of common pulmonary vein atresia (CPVA) was made during the operation. A side-to-side anastomosis between the common pulmonary venous chamber and the left atrium was performed. All procedures were successfully carried out on the beating heart under the cardiopulmonary bypass. A tentative diagnosis of CPVA should always be borne in minds in neonates with clinical conditions such as deep cyanosis unresponsive to the oxygen therapy, stubborn acidosis, severe pulmonary venous congestion, and rapid deterioration. The corrective repair of CPVA with the heart beating appears to be the procedure of choice in the setting of seriously damaged myocardium of the immature heart. To the best of our knowledge, this is the youngest survivor of the corrective surgery for CPVA and operation at time of diagnosis is the important principle. ____________________________________________________________________________________________________________________________ Vishal P Changela, Suresh Pujar, Sunita Maheshwari |
No comments:
Post a Comment