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* From the Department of Medicine (Drs. Saffran, Ost, Fein, and Schiff), Center for Pulmonary and Critical Care Medicine, North Shore University Hospital, Manhasset/New York University, and the Department of Medicine (Dr. Fein), SUNY at Stony Brook, Stony Brook, NY.
Correspondence to: Louis Saffran, MD, 297 Mineola Blvd, Mineola, NY 11501
| Abstract |
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3 days of hospitalization. We
sought to demonstrate the feasibility of ambulatory drainage and
sclerosis using a small-bore pigtail catheter in patients with
malignant pleural effusions. We reasoned that this approach would
improve symptoms and quality of life at a reduced cost. Methods: A 14F pigtail catheter was percutaneously inserted into the pleural space and connected to a closed gravity-drainage bag system. The patients were instructed in the use of the drainage system and discharged to return for sclerosis with 4 g of talc after the drainage was < 100 mL/24 h. Patients were graded for dyspnea and performances status using the Eastern Cooperative Oncology Group score (ECOG) and baseline and transitional dyspnea index score (BDI-TDI) before tube placement and again at 30 days. Radiographic response was graded as total response, partial response, or failure. Telephone follow-up was initiated when the patient could not return for evaluation.
Results: Ten ambulatory women, ages 41 to 79 years, were enrolled. The chest tube was left in place from 1 to 10 days, draining a mean of 2,956 mL (1,685 to 6,050 mL). Only two patients were unable to undergo sclerosis owing to catheter dislodgment and minimal drainage. Six reported symptomatic improvement at 30 days confirmed by TDI and ECOG scores in four of six. One with a prior history of a lobectomy was found to have a chylous pleural effusion and experienced a hydropneumothorax, for which sclerosis was unsuccessful. One died in hospital on day 26 after sclerosis despite radiographic resolution. Of the four patients who had improved dyspnea and functional status by TDI and EGOG scores, radiographic response was complete in three and partial in one. Two of the six were not able to return for follow-up because of weakness but reported improvement by telephone inquiry.
Conclusion: Ambulatory sclerosis of malignant effusion using a small-bore catheter is a feasible alternative to inpatient sclerosis with a large-bore chest tube, especially in patients with strong preferences for outpatient care.
Key Words: ambulatory sclerotherapy malignant pleural effusions pigtail catheter sclerosis talc slurry
| Introduction |
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Most patients with malignant pleural effusion are symptomatic. The most common presenting complaints are shortness of breath, cough, chest pain, and a sense of fullness within the chest. Treatment is directed toward relief of these symptoms. If the malignancy is sensitive to chemotherapy (eg, lymphoma, small cell lung cancer), systemic treatment alone may control the effusion. When the tumor does not respond to chemotherapy, management of the effusion includes thoracentesis. If the fluid reaccumulates after repeated thoracentesis, options are chemical pleurodesis via chest tube, thoracoscopy with pleurodesis, open thoracotomy with pleurectomy, or pleuroperitoneal shunting.
Most reported series have studied chemical pleurodesis using a chest
tube in hospitalized patients. Once the drainage decreased to < 100
mL/24 h, a sclerosing agent was instilled, with
3 days of
hospitalization commonly required. Intrapleural chemical agents include
tetracycline, doxycycline, bleomycin, talc insufflation, or talc
slurry.
The purpose of this study was to evaluate the efficacy, safety, and effect on quality of life of outpatient sclerosis using small-bore pigtail catheters. The pigtail catheter was used to prevent accidental dislodgment. We chose to use talc as a sclerosant because it has a much higher success rate compared with tetracycline (90% vs 20 to 80%),3 4 5 6 7 is less painful, and is less expensive than bleomycin.8 9 We reasoned that if efficacy could be demonstrated to be comparable, patients with malignant effusions might prefer outpatient small-bore catheter scleroses to inpatient large-bore or surgical pleurodesis. We report a feasibility study conducted entirely in the outpatient setting of pleurodesis for malignant pleural effusions.
| Materials and Methods |
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3 were enrolled. Informed consent was obtained in all
cases. A predrainage ECOG, baseline dyspnea index, and chest radiograph were obtained. All patients had recurrent symptomatic pleural effusions after initial thoracentesis. Ultrasound guidance was used in two patients with loculated fluid by chest radiograph. Lidocaine was used for local anesthesia, and a small incision was made with a scalpel before inserting a 14F pigtail catheter (van Sonnenberg Chest drain set; Boston Scientific; Watertown, MA; Fig 1 ). The trocar method for insertion was used, and the catheter was locked to prevent it from dislodging, then connected by tubing (Boston Scientific) to a Dover urine leg bag (Sherwood Medical; St. Louis, MO) for gravity drainage. All tubes were secured to the skin with a catheter cuff set (Percufix Catheter Cuff Kit; Boston Scientific). Not > 1 L was drained before discharging the patient. The patient and their family were provided with a graduated measuring cylinder, home-care instructions, and emergency contact information. Intermittent closure of the catheter using the shutoff valve was permitted. The patient recorded the amount of drainage, and this was reported during the daily telephone interviews. Once the drainage decreased to < 100 mL/d, the patients were instructed to return for sclerotherapy.
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Thirty-day follow-up consisted of a chest radiograph, ECOG score, and transitional dyspnea index (TDI). Radiographic response was categorized as complete (no reaccumulation of fluid), partial (reaccumulation of fluid below the predrainage level), or failure (reaccumulation of fluid to the predrainage level or greater). Patients who could not return for follow-up were questioned by telephone as to their symptoms.
| Results |
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Six of the eight patients who underwent sclerosis had subjective symptomatic improvement; four of the six also had improvement as measured by the TDI and ECOG scores; three of these four had complete radiologic improvement, and one had partial improvement. Two of the six who had symptomatic improvement were not able to return for later follow-up because they were not ambulatory. By telephone inquiry, they reported significant improvement of their dyspnea (Table 2 ).
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Neither wound infections nor occluded catheters were reported. After sclerosis with talc, pain was not significant.
| Discussion |
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Small-bore drainage of malignant effusions was first found to be feasible by Talamonti et al.15 Satisfactory drainage was obtained in 8 of 12 patients with, no demonstrable recurrence of the effusion after a mean follow-up of 8.5 weeks.15 Since then, a number of articles have reported successful palliation using small-bore chest tube for pleurodesis.16 17 18 19 20 21 Small-bore chest tubes have somewhat lower success rates when compared with conventional chest tubes. The most common complications reported are infection and pneumothorax. The pneumothorax rate is higher when the Seldinger technique is used, as opposed to the trocar method of insertion.16 18 The success rate with small-bore chest tubes used on an inpatient basis ranges from 62 to 95%.16 17 18 19 20 21 Difficulties with tube occlusion have been described when using chest tubes smaller than 12F.18 20 The length of time the chest tubes have remained in place is similar for both the large-bore chest tubes and the small-bore chest tubes, usually 5 to 6 days.
All but one study, by Walsh et al,17 used ultrasound18 19 or fluoroscopic guidance16 19 20 for placement of the chest tubes. We used ultrasound guidance in the two patients with anterior loculations. There may have been a benefit to fluoroscopy in the patient with the large lung mass; however, it is likely that fluoroscopic evaluation would not have differentiated a mass from an effusion.
Patz et al,21 in 1996, published the first and only other series of 19 patients with malignant effusions who underwent ambulatory sclerotherapy using small-bore (10.3F) catheter drainage with fluoroscopic guidance. Tubes were in place 2 to 11 days (mean, 5.1 days), and bleomycin was used for sclerosis. Overall, there was a 53% complete and 26% partial success rate, and two tubes became clogged; both tubes easily cleared with a guidewire. One patient had a wound infection and empyema that necessitated hospitalization for 6 days. All patients experienced marked improvement in respiratory symptoms after drainage and sclerosis.21
In our study, we demonstrated for only the second time that pleural drainage and sclerotherapy with small-bore tubes can be successfully performed on an outpatient basis. Our study is unique in that radiologic guidance was not used unless the effusion appeared to be loculated, making it more easily performed in an outpatient setting. We also used talc slurry as opposed to tetracycline,16 17 18 doxycycline,20 or bleomycin19 21 as was used in the prior studies. Talc slurry has demonstrated superior results compared with bleomycin and is much less expensive ($50 vs $1,000/dose). In addition, patients do not experience any nausea or vomiting with talc as has been reported previously with bleomycin.21 Doxycycline instillation is associated with more pain than talc and requires repeated installations. Talc slurry, however, produces a significant pleural reaction, making follow-up chest radiographs less easily interpretable. However, the radiographs usually clear approximately 1 to 2 weeks after sclerosis.
Our 30-day response rate was similar to that reported for inpatient drainage therapy with small-bore tubes. No prior study has used objective measurements for dyspnea. Dyspnea improved after sclerotherapy as measured by baseline dyspnea indexTDI in all patients in whom it was measured. Functional studies also improved in 50% of patients as demonstrated by the ECOG scores, and 75% if the two patients who could not return for follow-up are included. In addition, clogging of the catheters was not observed in our study as had been previously reported with 10F and 12F catheters.18 20 21 In one patient, the chest tube fell out because the catheter was inadequately secured. In all other patients, the pigtail successfully avoided accidental dislodgment of the catheter.
The diagnosis-related group fee for chest tube insertion and
drainage of a malignant pleural effusion is $9,100, with a projected
length of stay of 7.4 days. The cost of thorascopic pleurodesis has
been estimated to be
$4,000. Outpatient pigtail catheter with
sclerosis resulted in charges of < $500 (Table 3
).
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| Summary |
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| Footnotes |
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Received for publication May 25, 1999. Accepted for publication March 7, 2000.
| References |
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