Project description:Persistent left superior vena cava (PLSVC) is a rare disorder which is asymptomatic and hence is usually discovered while performing interventions through the left subclavian vein. We present a case of a 78-year-old male who was undergoing elective placement of a permanent pacemaker for tachycardia - bradycardia syndrome with post-conversion pauses of up to nine seconds. After achieving access through the left subclavian vein the wire kept on going on the left side of the chest instead of crossing the midline to the right side. The wire was removed and contrast venography was done, PLSVC with dilated coronary sinus emptying into the right atrium was confirmed. There was some difficulty in passing the lead to the right ventricle even with the acute curve in the stylet. The sheath size was increased and a longer deflectable sheath was used and with the tip of the lead anteriorly the right ventricle was cannulated and the lead was affixed. There were good sensing and pacing parameters. Post procedure chest x-ray was done and the patient was discharged without any complications.

| S-EPMC5498123 | biostudies-other

Open reconstruction of severe superior vena cava syndrome with right internal jugular–Superior vena cava bypass using femoral vein

Project description: Not available

| S-EPMC10547727 | biostudies-literature

A transudative chylothorax associated with superior vena cava syndrome.

Project description:The chylothorax is a lymphocyte predominant protein-discordant exudative pleural effusions with low lactate dehydrogenase and elevated triglyceride levels. Transudative chylothoraces associated with Superior Cava syndrome (SVC) are an extremely rare clinical entity. In this manuscript, we describe a case of transudative chylothorax due to SVC obstruction secondary to thrombosis of a peripheral inserted central venous catheter, which ultimately resolved after endovascular intervention. In our review of the literature, only five cases of transudative chylothorax associated with SVC syndrome were identified with 60% of cases associated with thrombosis and complications due to catheters in the central venous circulation. Treatment of the underlying cause is key to resolution of the chylothorax. Thoracentesis is an initial intervention for diagnostic and therapeutic purposes. Endovascular intervention is the primary mode of treatment for SVC thrombosis and stenting is preferred for malignant causes, however anticoagulation alone has been reported in the resolution of chylothorax. In patients with recurrent chylothorax despite of relief of SVC obstruction, a medium-chain triglyceride diet and octreotide can be prescribed in order to decrease the chyle flow in the thoracic duct. Surgical ligation of the thoracic duct can be considered if medical management and endovascular treatment fails.

| S-EPMC6626116 | biostudies-literature

Absent right superior vena cava and persistent left superior vena cava: An incidental finding.

Project description:A patient with Marfan syndrome undergoing Bentall operation was found to have an absent right superior vena cava and persistent left superior vena cava. The dilation of coronary sinus raised the suspicion of persistent left superior vena cava. The diagnosis was confirmed by agitated saline contrast echocardiography and computed tomography of the chest.

| S-EPMC10691572 | biostudies-literature

A STUDY OF SUPERIOR VENA CAVA OBSTRUCTION SYNDROME.

Project description:Superior vena cava obstruction syndrome was studied in 22 patients with a view to assess the etiological pattern and clinical profile. It was found that 4 patients (18.1%) had benign disease and the remaining 18 (81.9%) patients had malignancy. In 13 patients (59.9%) obstruction occurred due to bronchogenic carinoma. No complications occurred with invasive diagnostic procedures. All heavy smokers (59.9%) were found to have malignancy. Normal lung fields on chest radiography and CT scan with superior vena obstruction syndrome suggested benign disease in 2 cases.

| S-EPMC5530844 | biostudies-other

Biatrial drainage of right superior vena cava with left superior vena cava: A diagnostic conundrum.

Project description: Not available

| S-EPMC9366530 | biostudies-literature

Absent right superior vena cava.

Project description:A patient planned to be performed catheter ablation. However, three-dimensional contrast-enhanced chest computed tomography revealed isolated persistent left superior vena cava. We should know such an anatomical abnormality especially when central venous catheter or peripherally inserted central catheter is inserted from right jugular vein or right subclavian vein.

| S-EPMC8245746 | biostudies-literature

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