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PubMed1997

Chylothorax in a polysplenia infant with cor triatriatum, pulmonary stenosis and sick sinus syndrome.

An infant with chylothorax and polysplenia is described. Her chylothorax was refractory and related to right-sided heart failure derived from pulmonary stenosis, cor triatriatum, and sick sinus syndrome. In addition to Brock operation and cardiac pacing, thoracic duct ligation was performed, but it resulted in an only transient amelioration of the chylothorax. Eventually, the chylothorax resolved when total cardiac repair was performed for cor triatriatum. We propose that, in a patient with chylothorax and right-sided heart failure caused by compound cardiac malformations, as in this patient early surgical treatment for the underlying disease of right-sided heart failure should be considered.

Chylothorax↗
PubMed2006

Somatostatin or octreotide as treatment options for chylothorax in young children: a systematic review.

OBJECTIVE: Chylothorax is a rare but life-threatening condition in children. To date, there is no commonly accepted treatment protocol. Somatostatin and octreotide have recently been used for treating chylothorax in children. We set out to summarise the evidence on the efficacy and safety of somatostatin and octreotide in treating young children with chylothorax. DESIGN: Systematic review: literature search (Cochrane Library, EMBASE and PubMed databases) and literature hand search of peer reviewed articles on the use of somatostatin and octreotide in childhood chylothorax. PATIENTS: Thirty-five children treated for primary or secondary chylothorax (10/somatostatin, 25/octreotide) were found. RESULTS: Ten of the 35 children had been given somatostatin, as i.v. infusion at a median dose of 204 microg/kg/day, for a median duration of 9.5 days. The remaining 25 children had received octreotide, either as an i.v. infusion at a median dose of 68 microg/kg/day over a median 7 days, or s.c. at a median dose of 40 microg/kg/day and a median duration of 17 days. Side effects such as cutaneous flush, nausea, loose stools, transient hypothyroidism, elevated liver function tests and strangulation-ileus (in a child with asplenia syndrome) were reported for somatostatin; transient abdominal distension, temporary hyperglycaemia and necrotising enterocolitis (in a child with aortic coarctation) for octreotide. CONCLUSIONS: A positive treatment effect was evident for both somatostatin and octreotide in the majority of reports. Minor side effects have been reported, however caution should be exercised in patients with an increased risk of vascular compromise as to avoid serious side effects. Systematic clinical research is needed to establish treatment efficacy and to develop a safe treatment protocol.

Child, Preschool↗
PubMed1999

Usefulness of video thoracoscopy in the management of spontaneous and postoperation chylothorax.

BACKGROUND: The aim of this study was to evaluate indications and results of video thoracoscopy (VATS) in the management of nine chylothorax cases. METHODS: Four spontaneous chylothorax cases were treated by VATS and talc pleurodesis with immediate positive results. Among five postoperation chylothorax cases, two were treated early by VATS and selective lymphatic clipping (VATS group), and three had medical treatment (MT group). RESULTS: Duration of drainage was 4 days for the VATS group versus 15.3 days for MT group. Amount of collected chyle was 2.4 l versus 5.7 l, respectively. CONCLUSIONS: We suggest that VATS should be considered the treatment of choice for spontaneous chylothorax and could be indicated earlier in postoperation chylothorax.

Adult↗
PubMed2003

Early endoscopic treatment of chylothorax develops after surgical treatment of lung cancer patients.

OBJECTIVE: Chylothorax which occasionally develops after surgical treatment of lung cancer is generally treated conservatively, and surgical treatment is limited to patients who do not respond well to conservative treatment. SUBJECTS AND METHODS: Of the 941 lung cancer operation, 6 patients in whom Chylothorax developed after surgical treatment of lung cancer were evaluated for its characteristics and outcome. RESULTS: Two patients underwent thoracoscopic treatment. The duration of drainage was shorter for the 2 patients undergoing chylothorax operation than for the 4 patients who underwent conservative treatment. The mean duration of hospitalization after surgical treatment of lung cancer was 24 days for the patients who underwent conservative treatment alone and 12.5 days for the patients who underwent chylothorax operation. CONCLUSION: Patients in whom chylothorax develops after surgical treatment of lung cancer should promptly undergo operation when the volume of chylous fluid is not decreased by conservative treatment.

Aged↗
PubMed1991

Postoperative chylothorax in children: differences between vascular and traumatic origin.

Twenty-four children with postoperative chylothorax were encountered among 1,264 consecutive thoracic operations over a 7-year period and form the basis of this study. Chylothorax was caused by direct lesion to the thoracic duct or lymphatic vessels in 17 patients and was associated with superior vena cava (SVC) obstruction in seven. Of the latter, five had bilateral chylothorax. Chylothoraces secondary to venous hypertension and thrombosis have a longer interval between operation and diagnosis compared with direct trauma as well as a longer duration and larger volume of chylous drainage. Treatment was entirely nonoperative in 16 patients and operative in 8. Nonoperative treatment consisted of pleural needle aspiration or suction drainage in association with a medium chain triglyceride (MCT) diet (n = 11) or total parenteral nutrition (TPN) after failure of MCT (n = 5). Direct operation on the thoracic duct was performed in 5 patients, four had pleurodesis, and 2 had pleuroperitoneal shunts inserted. All patients were cured of their chylothorax and there were no deaths. Patients with major vein thrombosis were the most difficult to treat. On the basis of this experience, we suggest a step-by-step approach: (1) insertion of chest tube after 3 to 4 pleural punctures; (2) 1-week trial of MCT diet, with intravenous support to correct protein losses; (3) TPN if chylothorax increases or persists with large volumes; (4) Doppler echocardiography or phlebography to rule out obstruction of major thoracic veins; and (5) insertion of TPN line in inferior vena cava in case of such obstruction; and (6) direct surgical approach to the thoracic duct after 4 weeks of unsuccessful nonoperative treatment.(ABSTRACT TRUNCATED AT 250 WORDS)

Child↗
PubMed2006

Antithrombin activity in children with chylothorax.

OBJECTIVE: To determine whether increased antithrombin loss is present in children with chylothorax after cardiac surgery. METHODS: Plasma and pleural effusion samples of children with chylous and non-chylous pleural effusion were assayed for antithrombin activity. RESULTS: Ten children with chylothorax and five children with non-chylous pleural effusion were investigated. There was statistically significant increase in mean antithrombin activity in chylous samples (32.2+/-11.4%) compared to non-chylous samples (14.4+/-13.9%), and significant decrease in plasma of children with chylothorax (44.6+/-15.4%) compared to children with non-chylous pleural effusion (69.9+/-22.4%). Seven of 10 children with chylous and none of the children without chylous developed thrombosis (p<0.007). CONCLUSIONS: Increased loss of antithrombin is present in children with chylothorax, potentially predisposing these children to an increased risk of thrombosis. Repeated antithrombin substitution should be considered in critically ill children with chylothorax.

Antithrombins↗
PubMed2006

Chylothorax.

Chylothorax is a rare complication of pulmonary resection. It requires prompt treatment, which is initially conservative. This treatment consists of drainage, nutritional support, and measures to diminish chyle flow. Surgical intervention is indicated when conservative management is ineffective. Delay in surgical intervention leads not only to serious metabolic, nutritional, and immunologic disturbances from the loss of chyle but also increases the risk for adhesion formation, loculation, organization, and infection of the chylothorax, making subsequent surgical attempts difficult and increasing postoperative morbidity and mortality. VATS provides a minimally invasive approach for the treatment of chylothorax complicating pulmonary resection. Clipping of the thoracic duct or chemical pleurodesis may be performed with minimal morbidity and mortality. Conservative treatment is expensive and fails in most patients who have high-output chylous fistulae. On the other hand, VATS is uniformly effective, is less expensive, and has low morbidity. Indeed, VATS is rapidly becoming the preferred approach for the management of chylothorax complicating pulmonary resection. The need to prevent the occurrence of a chylothorax by careful dissection techniques and liberal clipping of lymphatic vessels particularly in areas of high anatomic risk during the initial operation cannot be overemphasized.

Chylothorax↗
PubMed1992

Conservative versus surgical management of chylothorax.

Chylothorax is a potentially life-threatening disorder that has profound respiratory, nutritional, and immunologic consequences. Treatment for this problem is controversial, and the results have been variable. From 1985 to 1990, 29 patients (16 males, 13 females; mean age: 20.1 years; range: 5 days to 76.8 years) were diagnosed as having chylothorax (18 right, 6 left, 5 bilateral). Etiologies included surgical trauma (26) and nonsurgical trauma (3). Initial conservative treatment consisted of tube thoracostomy drainage (mean duration: 13.3 days; range: 1 to 62 days; mean total volume: 4,030 mL) and dietary modification (low-fat diet, total parenteral nutrition). This resulted in resolution of the chylothorax in 23 patients (79% success), although 2 patients died of unrelated causes while hospitalized (myocardial infarction and cardiopulmonary arrest). Five adult patients and one infant (21%) required ligation of the thoracic duct, with resolution of the chylothorax in all six (100% success). Despite successful duct closure, one infant died of respiratory failure unrelated to the operation, and one adult died as the result of a cerebrovascular accident 6 weeks postoperatively, yielding an operative mortality of 33% and an overall mortality of 14% (4 of 29). Our experience demonstrates that initial treatment of chylothorax with thoracostomy drainage and dietary modification is successful in the majority of patients and is not associated with high morbidity or mortality rates. Surgical intervention for chylothoraces that fail to respond to initial conservative measures will be required in a minority of patients but appears to be associated with a higher risk of complications.

Adolescent↗
PubMed2001

Current management of postoperative chylothorax.

BACKGROUND: This study was performed to review our experience with postoperative chylothorax and describe our current approach. In addition, we wanted to estimate the impact of video-assisted thoracoscopic surgery (VATS) on our current management policy. METHODS: From January 1991 to December 1999, 12 patients developed chylothorax after various thoracic procedures. Their mean age was 61.5 (range 31 to 80 years). The procedures were cardiac, aortic, and pulmonary operations. RESULTS: All patients were initially treated conservatively. In addition, 7 patients needed surgical intervention, including one thoracotomy and six VATS. The site of thoracic duct laceration was identified and treated with VATS in 4 patients. In 2 patients, the leak could not be localized by VATS, and fibrin glue or talcage were applied in the pleural space. All patients were discharged without recurrent chylothorax. CONCLUSIONS: VATS is an effective tool in the management of persisting postoperative chylothorax. Its easy use, low cost, and low morbidity rate suggest an earlier use of VATS in the treatment of postoperative chylothorax.

Adult↗
PubMed1983

Pleuroperitoneal shunts in the management of neonatal chylothorax.

Pleuroperitoneal shunts have been placed in five ventilator-dependent newborns with persistent chylothorax. The etiology of the chylothorax appeared to be secondary to superior vena caval obstruction in three patients and was idiopathic in the remaining two. Despite traditional therapies these infants were on a progressively deteriorating clinical course. Hakim-Cordis low-pressure ventricular-peritoneal shunt catheter systems were used in each infant. Ultrasonography was used to follow the regression of pleural effusions and to determine the need for shunt compression. Shunt patency was confirmed with radionuclide studies. Four of five infants had a complete resolution of their chylothorax and pulmonary insufficiency. Three of these infants were extubated within 28 days following the placement of the shunt. Nutritional and metabolic stability was rapidly achieved. The shunts were removed several weeks later without recurrence of the chylothorax. A fifth infant failed to improve after the placement of the pleuroperitoneal shunt and died of progressive pulmonary insufficiency. The placement of pleuroperitoneal shunts in infants with refractory chylothorax is safe, technically easy to perform, and is associated with few complications.

Catheterization↗
PubMed1998

Chylothorax after repair of congenital diaphragmatic hernia--risk factors and morbidity.

BACKGROUND/PURPOSE: Chylothoraces have been reported rarely after congenital diaphragmatic hernia (CDH) repair, but that is contrary to the authors' experience. The aim of this study was to audit the outcome of antenatally diagnosed CDH cases to determine the incidence, possible risk factors, and morbidity associated with chylothorax in CDH patents. METHODS: Twenty-four of 35 consecutive infants with CDH (69%) underwent surgical repair and survived the immediate postoperative period. RESULTS: Effusions developed in all 22 for whom chest radiographs were available. Six of the eight infants whose effusions required drainage had a chylothorax. Those six infants required a mean of 8 days of thoracentesis, during which a mean total volume of 358 mL/kg of fluid was removed. The infants remained on a medium-chain triglyceride (MCT) formula for a mean of 81 days. The six infants with a chylothorax differed from the rest with respect to their duration of oxygen dependence (a median of 28.5 versus 15 days, P < .05) and hospital stay (a median of 5.5 versus 4 weeks, P < .05), but no significant risk factors for the development of a chylothorax were identified. CONCLUSION: Chylothorax is a relatively common cause of effusion after CDH repair and is associated with increased morbidity.

Chylothorax↗
PubMed1999

The use of pleuroperitoneal shunts in the management of persistent chylothorax in infants.

BACKGROUND/PURPOSE: The development of chylothorax is a serious and often life-threatening clinical entity that may cause profound respiratory, nutritional, and immunologic complications and has become increasingly common in recent years. Optimal management of this problem has not been well defined because medical therapy has a significant failure rate. Surgical treatment of complicated chylothorax has become a mainstay of care. METHODS: Over the last 36 months, seven infants had a pleuroperitoneal shunt placed for the management of refractory chylothorax. Ages ranged from 10 to 66 days with a weight between 1,000 to 4,850 g. Five of the seven infants were ventilator dependent. The etiologies were congenital in four and acquired in three with one related to a cardiothoracic procedure, one related to superior vena caval thrombosis, and one postoperative diaphragmatic hernia repair with superior vena caval thrombosis. Associated conditions included a left congenital diaphragmatic hernia, asplenia, isolated renal agenesis, bronchopulmonary dysplasia, and a patent ductus arteriosus. Each patient was unresponsive to thoracentesis, tube thoracostomy, and dietary manipulation with preoperative volume of chest tube output ranging from 50 to 162 cc/kg/d. The duration of preoperative therapy in congenital occurrences ranged from 10 to 46 days (average, 22 days). A Denver double-valved shunt system was used and catheters were implanted under general anesthesia. Manual pumping was required postoperatively on an hourly basis. RESULTS: All seven patients had excellent results with the elimination of the chylothorax and resolution of symptoms. There were two complications. Shunt survival rate was six of seven (86%). Shunt removal ranged from 24 to 79 days (average, 44 days). Patient survival rate was five of seven (71%) with one infant dying of progressive pulmonary disease and one infant dying from viral sepsis; both had functioning shunts. One patient remains ventilator dependent secondary to chronic lung disease from prematurity. CONCLUSIONS: Pleuroperitoneal shunting is safe, simple, and an effective treatment of chylothorax in infants despite their size, age, or degree of prematurity.

Catheters, Indwelling↗
PubMed2006

[Management of postoperative chylothorax].

INTRODUCTION: A chylothorax can occur following any intrathoracic procedure. It is generally straightforward to make the diagnosis but optimal management can be problematic. METHODS: Between 1995 and 2002, three women and one man aged from 13 to 58 years were treated for chylothorax after thoracic surgery. Their initial illnesses were a right pulmonary hydatid cyst associated with hepatic disease, a tumour of the posterior mediastinum, an oesophageal carcinoma and metastases in the left lung. RESULTS: These patients had: a pulmonary and hepatic cystectomies, a resection of the mediastinal tumor, an Akyama oesophagectomy and a resection of four left pulmonary metastases. Chylothorax became apparent post operatively between the 1st and the 4th day. All patients were treated with a medium-chain triglyceride diet. Two patients were re-explored with ligation of lymphatic vessels. One woman who did not have further surgery was treated with etilefrine. In the patient who had had an oesophagectomy, chylothorax persisted after re-operation. He was successfully treated by talc pleurodesis via a chest drain, which prevented further recurrence. CONCLUSIONS: In the management of postoperative chylothorax, medical treatment must be started early but surgery should not be delayed as operative risk is increased by the development of malnutrition and immune deficiency.

Adolescent↗
PubMed2003

[Octreotide treatment of post surgical chylothorax].

Chylothorax is an infrequent complication of cardiac surgery in children. Most patients respond to a low-fat diet or to parenteral nutrition, but pleuroperitoneal drainage or thoracic duct ligature is sometimes required. We present the case of a 3-year-old girl with Down syndrome and complex atrioventricular canal defect who presented chylothorax 22 days after the Glenn procedure with bidirectional pulmonary-cava fistula. Low-fat diet and parenteral nutrition produced no improvement and the patient was treated with octreotide 1-2 mcg/kg/min in intravenous continuous perfusion, which produced remission of chylothorax. Subsequently, 20 mcg/kg/day of octreotide was subcutaneously administered in three doses, allowing progressive dietary normalization, without recurrence of chylothorax or adverse effects. In conclusion, octreotide is well tolerated and produces few adverse effects. It could be used as a therapeutic alternative in chylothorax refractory to conservative treatment.

Cardiac Surgical Procedures↗
PubMed2003

Rupture of tuberculous spinal abscess resulting in tuberculous empyema and chylothorax.

STUDY DESIGN: Case report with a review of scientific literature. OBJECTIVE: To describe the course of tuberculous spinal disease (Pott's disease) complicated by pyogenic and tuberculous empyema, and chylothorax as there has been an increase in the numbers of notified cases of tuberculosis in the UK(1). To the best of our knowledge, a similar case has not been reported previously in the UK, although there has been a report of bilateral chylothorax associated with Pott's disease. SETTING: A national spinal injuries unit in a Scottish university teaching hospital. METHODS: Review of literature on the chemotherapy of spinal tuberculosis and the role of streptokinase in the treatment of empyema and the relation between spinal tuberculosis, empyema and chylothorax. RESULTS: Although spinal tuberculosis was recognised and treated appropriately with chemotherapy, the patient sustained pleural involvement with later development of both empyema and chylothorax. CONCLUSION: The case highlights the difficulties in the treatment of tuberculosis of the spine inspite of the presence of fully sensitive organisms and early institution of appropriate chemotherapy. In the absence of surgical debridement, the duration and dosage of chemotherapy as practised in the initial period may have to be prolonged into the continuation phase. The thoracic duct can be damaged either because of extension of the tuberculosis itself or because of instillation of intrapleural streptokinase for treatment of pleural empyema leading to chylothorax. There is a need for randomised trials of intrapleural streptokinase treatment in tuberculous empyema.

Aged↗
PubMed1998

Output of chyle as an indicator of treatment for chylothorax complicating oesophagectomy.

BACKGROUND: The management of chylothorax complicating oesophagectomy remains controversial. Even if medical management alone can be successful, some authors advocate early reoperation. The aim of this retrospective study was to identify the clinical variables associated with a high probability of full recovery with medical treatment. METHODS: Among 850 Lewis procedures performed for oesophageal carcinoma, 23 patients (2.7 per cent) developed postoperative chylothorax despite systematic preventive ligation of the main thoracic duct. Patients who responded to conservative management were compared with those requiring reoperation for preoperative radiotherapy, unilateral versus bilateral pleural effusion, delay of occurrence of the chylothorax, and ratio of mean chylous output to body-weight 1 and 5 days after its onset. RESULTS: Conservative management was successful in 14 patients with a mean(s.d.) delay of 12(5) (range 7-21) days and there were no hospital deaths. Reoperation was necessary in nine patients; there were two postoperative deaths and no recurrence of the chylothorax. The only significant difference between reoperated and medically treated patients was the mean(s.d.) chylous output at day 5: 23.5(16.6) versus 6.7(5.5) ml per kg body-weight (P< 0.001). At this time, the output was less than 10 ml/kg in 12 of 14 patients in whom medical treatment was successful (sensitivity 86 per cent), and equal to or greater than this cut-off value in all the patients who underwent reoperation (specificity 100 per cent). CONCLUSION: The ratio of chylous output to body-weight on the fifth day after the onset of a chylothorax complicating oesophagectomy seems to reliably predict the success of continuing medical treatment.

Adult↗
PubMed1999

Management of spontaneous congenital chylothorax: oral medium-chain triglycerides versus total parenteral nutrition.

The aim of this article is to compare total parenteral nutrition (TPN) with oral medium-chain triglycerides-diets (MCT) in the management of spontaneous congenital chylothorax. We analyzed retrospectively the charts of 6 patients seen in our tertiary care center and of 11 comparable patients from the literature. All neonates were symptomatic at birth; 15 had bilateral chylothorax. In the neonates who received mainly TPN (n = 9), the chylothorax resolved significantly (p < 0.05) earlier (mean 10 days, SE 1) than in the others, who received mainly MCT (n = 8) (mean 23 days, SE 4). The mean chyle loss was not significantly different between the 2 groups. Our results suggest that TPN is more effective than oral MCT in the treatment of spontaneous congenital chylothorax. These results support the data of Peitersen et al, who reported that most of the positive results with MCT were achieved in postoperative chylothorax of the newborn.

Administration, Oral↗
PubMed1994

Treatment of postoperative chylothorax by pleurodesis with the streptococcal preparation OK-432.

Of the 2877 patients who underwent chest surgery at our department during the 20-year period between 1973 and 1992, 9 (0.3%) developed postoperative chylothorax. The underlying disease included primary lung cancer in 5 patients, pulmonary metastasis in 1, invasive thymoma in 2, and neuroblastoma of the posterior mediastinum in 1. For the treatment of chylothorax, the thoracic duct was ligated in 2 patients with a high volume of chylous leakage. In 6 patients treated conservatively, early pleurodesis was attained by injecting 1 to 5 doses (mean: 2.2 doses) of the streptoccal preparation OK-432 intrathoracically; favorable results were achieved. In 1 patient, the diagnosis of chylothorax was delayed because of postoperative pyothorax. This patient developed nutritional deficiency, compromised immunity, and disseminated intravascular coagulation (DIC), which led to death before the chylothorax could be treated. In principle, postoperative chylothorax should be treated conservatively. Favorable results can be expected with the intrathoracic injection of OK-432 beginning at the early postoperative period to achieve pleurodesis, combined with the prevention of nutritional deficiency, electrolyte imbalance, and infection.

Adult↗