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PubMed2002

Cardiac operations for patients with chronic liver disease.

BACKGROUND: Due to the systemic and hepatic effects of cardiopulmonary bypass (CPB), open-heart surgery for patients with chronic liver disease is associated with high mortality and morbidity. In this retrospective study, we present our results of cardiac surgery on patients with non-cardiac cirrhosis. METHODS: Between March 1996 and April 2000, 10 patients with chronic liver disease had open-heart surgery in our institution. Six patients were male and four were female, with a mean age of 57.1 +/- 6.85 years. Preoperative severity of liver disease was determined according to Child classification. Four cases (40%) were Child class A and six (60%) were class B. Coronary artery bypass grafting was performed in four cases, and the remaining six operations were for aortic valve replacement (AVR) and/or mitral valve replacement (MVR). Eight of the operations (80%) were performed by using cardiopulmonary bypass and two (20%) were performed as beating heart surgery. RESULTS: Chest tube drainage and transfusion needs of these patients were three times the average normal values. Three of the patients for whom CPB was used, all of them in Child class B, died. None of the patients in Child class A died. This resulted in an overall mortality rate of 30%, with mortality of 50% for the Child B group. There was no mortality for any patient who underwent cardiac surgery on the beating heart or cardiac surgery of short duration on CPB. Common characteristics of cases that were associated with high morbidity and mortality included increased postoperative hemorrhagic chest tube output, dependency on mechanical ventilation, hepatic and renal failure, gastrointestinal bleeding, and sepsis. None of the patients died of cardiac failure. CONCLUSIONS: Our findings indicate that cardiac operations may be performed with good results for patients suffering from liver disease of mild severity (Child A), but cardiac interventions that include CPB in conjunction with advanced hepatic pathologies are associated with high mortality and morbidity. Cardiac surgery (whether valvular or coronary artery surgery) for patients with chronic liver disease should be carried out with a short duration of CPB or should be done on the beating heart, if possible, in the case of coronary artery surgery.

Aged↗

PubMed1994

Difference in efficacy of the Cell Saver in coronary bypass grafting surgery and cardiac valvular reoperations.

The efficacy of the Cell Saver in reducing transfusion requirements in patients who underwent either coronary artery bypass grafting (CABG) or reoperation for valvular replacement (Redo) were prospectively studied in 112 patients. In 41 patients, the Cell Saver was used from the beginning of the surgery (group 1), and in the other patients, no blood conservation techniques were undertaken (group 2). Perioperative hematological profile, postoperative chest tube drainage and transfusion requirements were examined in all patients. More red cells could be retrieved from the Redo patients than from the CABG patients (p < 0.05) during operation. The use of the Cell Saver in CABG patients reduced the total amount of blood transfusion required (p < 0.001). However, in the Redo patients, the use of the Cell Saver did not reduce the transfusion requirements during hospitalization. Furthermore, the amount of platelet concentrates transfused in the group 1 Redo patients was greater than the group 2 Redo patients. The use of the Cell Saver did not increase the postoperative chest tube drainage in either the CABG or the Redo patients. We conclude that the Cell Saver is useful in CABG patients, as far as the reduction of transfusion requirements is concerned; however, its efficacy in reducing transfusion requirements for Redo patients is questionable.

Blood Transfusion, Autologous↗

PubMedDate not supplied

Video-assisted thoracoscopic surgery in the management of pediatric empyema.

BACKGROUND: Management of empyema in children has progressed from open thoracotomy to video-assisted thoracoscopic surgery (VATS). The purpose of the present study was to evaluate the efficacy and safety of VATS in children with multiloculated empyemas. METHODS: Nine children (mean age, 4 years; range, 21 months to 13 years) with empyema, in whom multiple loculations were found on computed tomography, were treated with VATS from January, 1994, to November, 1996. All patients underwent VATS under general anesthesia, with drainage of the empyemas, decortication, and placement of chest tubes under direct vision. RESULTS: In all nine patients, VATS was successful. Average operating time was 120 minutes. Blood loss was insignificant, except in one patient who needed an intraoperative blood transfusion. This child required extensive decortication, with blood oozing from raw areas. All patients recovered well, with no recurrences to date. An algorithm for the use of VATS in the treatment plan for children with empyema was established. CONCLUSION: VATS provides safe and effective treatment in the management of pediatric empyema. Moreover, it avoids lengthy hospitalization, prolonged intravenous antibiotic therapy, and unnecessary pain and stress secondary to placement of chest tubes without anesthesia.

Adolescent↗

PubMed2003

Large-dose hydroxyethyl starch 130/0.4 does not increase blood loss and transfusion requirements in coronary artery bypass surgery compared with hydroxyethyl starch 200/0.5 at recommended doses.

BACKGROUND: Hydroxyethyl starch (HES) 130/0.4 may impair blood coagulation less than other HES solutions and, thus, may be used at larger doses without increasing the risk of postoperative bleeding. This study tested the hypothesis that volume replacement with 6% HES 130/0.4 at a dose of up to 50 ml/kg does not increase blood loss and transfusion requirements in elective coronary artery bypass surgery compared with 6% HES 200/0.5 at a dose of up to 33 ml/kg. METHODS: One hundred twenty adult patients scheduled for elective coronary artery bypass surgery were randomized to receive up to 50 ml/kg of 6% HES 130/0.4 or up to 33 ml/kg of 6% HES 200/0.5 for volume replacement during surgery and until 24 h thereafter. Volume requirements in excess of the respective maximum dose of HES were treated with gelatin. Colloid use was at the discretion of the attending physicians and not dictated by protocol. The primary outcome variable was chest tube drainage volume during the first 24 h after surgery. RESULTS: The data from 117 patients (HES 130/0.4, 59 patients; HES 200/0.5, 58 patients) who completed the study according to protocol were analyzed. The median volumes of HES administered were 49 and 33 ml/kg in the HES 130/0.4 and HES 200/0.5 groups, respectively (P < 0.001). Consequently, patients in the HES 130/0.4 group required less gelatin in addition to HES than those in the HES 200/0.5 group (medians: 7 ml/kg vs. 20 ml/kg, P < 0.001). The combined volumes of HES and gelatin were similar for both groups (P = 0.21). The 24-h chest tube drainage (medians: 660 ml vs. 705 ml, P = 0.60) did not differ significantly between the groups, nor did transfusion outcome. CONCLUSION: Six percent HES 130/0.4 at a median dose of 49 ml/kg did not increase blood loss and transfusion requirements in coronary artery bypass surgery compared with 6% HES 200/0.5 at a median dose of 33 ml/kg.

Aged↗

PubMed2002

The effect of cryo-maze procedure on early and intermediate term outcome in mitral valve disease: case matched study.

BACKGROUND: The maze procedure is an effective way to treat atrial fibrillation (AF) associated with mitral valve disease. In a last several years, cryoablation was substituted for atrial incision in many reports to simplify the maze procedure. However, there has been no comparative study to delineate the feasibility of the use of cryoablation. METHODS AND RESULTS: We compared the early and intermediate-term results of the maze procedure including pulmonary venous isolation from the left atrium using cryoablation (CM) with our conventional (Kosakai) maze procedure (KM) including encircling incision around the orifices of pulmonary veins. One hundred and 10 pairs of patients were matched in the age, left atrial dimension >70 mm, duration of AF >0 years, previous cardiac surgery, mechanical valve implantation and concomitant aortic valve procedures. CM required significantly shorter cardiopulmonary bypass time (186+/-56 minute versus 214+/-47 minute, P=0.001) and aortic cross-clamp time (134+/-43 minute versus 144+/-37 minute, P=0.03) than KM with less chest tube drainage (590+/-353 mL versus 745+/-618 mL, P=0.02) for 12 hours after operation. The sinus rhythm restoration rate in CM group (85.4%) was comparable with KM group (86.4%) at discharge. In the late results, the actuarial freedom from recurrence of sustained AF at 3 years in CM group (97.7%) was not significantly (P=0.11) different from that in KM group (90.4%). The actuarial freedom from stroke at 3 years in CM group was 99.0%. CONCLUSION: The modification of the maze procedure including cryoablation for pulmonary venous isolation provided less aortic cross-clamp time and less amount of chest tube drainage with the comparable recovery and maintenance of sinus rhythm with KM. CM is a reliable and less invasive surgical option for the AF associated with mitral valve disease.

Atrial Fibrillation↗

PubMed2002

Intervention in patients with pneumothorax immediately following CT-guided fine needle aspiration of pulmonary nodules.

BACKGROUND: The incidence of pneumothorax (PTX) as a complication of computerized tomography guided fine needle aspirates (CT-FNA) of solitary pulmonary nodules (SPN) varies from 8-61%. It has been suggested that the practice of obtaining a delayed chest radiograph in patients who have undergone CT-FNA of SPN is not cost effective and adds little information concerning lung expansion obtained by CT at the end of the procedure. It, however, is not known what percent of patients with a PTX present immediately after CT-FNA but do not require prompt chest tube placement will progress and require intervention later. MATERIAL/METHODS: One hundred-fifty-eight consecutive patients undergoing CT-FNA of SPN were included in the study. Immediately after CT-FNA each patient was reimaged with the CT scanner to check for PTX. Patients with a PTX immediately after CT-FNA were assessed as to whether intervention was undertaken or whether the PTX enlarged and/or required drainage at a later time. RESULTS: Thirty-eight patients developed a PTX while still on the CT scanner. Twenty-nine patients with an immediate PTX did not require drainage of their pleural space. Chest tube placement was required promptly after the CT-FNA in 4 patients. Five patients had their pleural space drained at a later time due to an increasing size of the PTX and/or the development of symptoms attributed to the PTX. CONCLUSIONS: These data suggest that patients who develop a PTX immediately after CT-FNA but who do not require prompt pleural space evacuation should be followed closely both clinically and radiographically.

Aged↗

PubMedDate not supplied

Re-expansion pulmonary oedema: revisited.

A case of re-expansion pulmonary oedema (RPO) following chest tube insertion for left spontaneous pneumothorax is reported. There were no severe symptoms and routine chest radiograph done four hours after tube thoracostomy showed features of pulmonary oedema in the re-expanded left lung. RPO is an uncommon complication of rapid pleural drainage of air or fluid with potentially serious cardiopulmonary manifestations but appears to run a benign course if there is no prior systemic hypoxaemia and if pneumothorax is drained without suction. Chest radiograph should be done routinely within four hours after chest tube insertion for early detection of RPO.

Adult↗

PubMed1996

Fluid therapy with Ringer's solution versus Haemaccel following coronary artery bypass surgery.

BACKGROUND: Crystalloid and colloid infusion can be used in volume therapy following heart surgery. In this prospective, randomised study we compared Ringer's solution (group R) to Haemaccel (group H) following coronary artery bypass grafting. METHODS: A stringent protocol for adjusting the infusion rate was used. Haemodynamic parameters and pulmonary function were evaluated as well as chest tube drainage. The double-indicator dilution method was used to measure total blood volume index (TBVI), intrathoracic blood volume index (ITB-VI) and extravascular lung water index (EVLWI). RESULTS: Haemodynamic stability was achieved in both groups throughout the study period, as judged from mean arterial pressure, central venous pressure, pulmonary capillary wedge pressure, and cardiac index. However, the total volume infused was significantly higher in group R. TBVI and ITBV were higher in group H, although only significant at 8 h for TBVI. Pulmonary function was similar in both groups. There was no significant difference in EVLWI, pulmonary shunt fraction, and time on mechanical ventilation. Likewise, chest tube drainage was not significantly different in both groups. CONCLUSION: We conclude that volume therapy with Haemaccel following heart surgery requires less volume and achieves better filling of the circulation compared to Ringer's solution.

Aged↗

PubMed2000

Inhaled prostacyclin and platelet function after cardiac surgery and cardiopulmonary bypass.

OBJECTIVE: To study the effects of 6 h inhalation of aerosolized prostacyclin (PGI2) on platelet function. DESIGN: In a prospective, double-blind, randomized study, 28 patients scheduled for elective cardiac surgery requiring cardiopulmonary bypass (CPB), received either 0.9% sodium chloride (n = 8), PGI2 5 microg x ml(-1) (n = 10) or PGI2 10 microg x ml(-1) (n = 10) as an aerosol for 6 h postoperatively. SETTING: Cardiothoracic intensive care unit at a university hospital. INTERVENTIONS: All patients were studied immediately after surgery during mechanical ventilation and sedation. The PGI2 solutions or saline were administered with a jet nebulizer. MEASUREMENTS AND RESULTS: Bleeding time and chest tube drainage were measured. Blood samples for platelet aggregation, thrombelastography (TEG) and analysis of coagulation parameters and the stable prostacyclin metabolite 6-keto-PGF1alpha were obtained immediately before inhalation and after 2, 4 and 6 h of inhalation. After 6 h of PGI2 inhalation, regardless of administered dose, there was a lower rate of platelet aggregation and a lower maximal increase in light transmission in response to adenosine diphosphate (ADP) than in the control group. The TEG variable reaction time (R) was prolonged after 4 and 6 h of inhalation in the PGI2 group receiving 10 microg x ml(-1). There were no differences between groups with respect to bleeding time and chest tube drainage or any of the other variables examined. CONCLUSION: Inhalation of PGI2 for 6 h in patients after cardiac surgery is associated with impaired platelet aggregation detected by in vitro techniques, with no in vivo signs of platelet dysfunction.

Administration, Inhalation↗

PubMed1999

D-Dimer formation during cardiac and noncardiac thoracic surgery.

UNLABELLED: The ability to make therapeutic decisions regarding excessive fibrinolysis in the perioperative period is limited by the lack of availability of a near site monitor of fibrinolysis. We investigated the use of a latex agglutination D-dimer assay to detect perioperative fibrinolysis in patients undergoing thoracic surgery with and without extracorporeal circulation. We studied 27 patients who underwent thoracic surgery requiring cardiopulmonary bypass (CPB; coronary artery bypass grafting, n = 12; valvular surgery, n = 15) and a cohort of 20 patients who underwent noncardiac thoracic surgical procedures not requiring CPB. The purpose of this investigation was to determine the relationship among alterations in the latex agglutination D-dimer assay, use of extracorporeal circulation, type of cardiac surgical procedure, and mediastinal and/or chest tube drainage (cardiac surgery only) in patients undergoing thoracic surgery. Perioperative D-dimer levels, measured by latex agglutination, had significant (P < or = 0.05) intragroup changes among patients undergoing cardiac surgery (requiring CPB) and the cohort of patients who underwent noncardiac thoracic surgery without CPB. Although intraoperative D-dimer levels were not increased in patients undergoing noncardiac thoracic surgery, postoperative levels were significantly (P < 0.05) increased (compared with preinduction). In cardiac surgery patients requiring CPB, intraoperative D-dimer formation was significantly (P < or = 0.05) increased but did not demonstrate any intragroup (coronary artery bypass grafting versus valvular surgery) differences. Finally, D-dimer levels were not associated with postoperative mediastinal and/or chest tube accumulative drainage measured at intervals up to 48 h postoperatively in patients undergoing cardiac surgery requiring CPB. Our study indicates that the latex agglutination D-dimer assay can detect excessive fibrinolysis perioperatively, and that extracorporeal circulation can significantly influence the pattern of D-dimer formation in patients undergoing thoracic surgery. IMPLICATIONS: We assessed the ability of a readily available D-dimer assay to detect excessive fibrinolysis in patients undergoing thoracic surgery with and without extracorporeal circulation. The findings demonstrate that the assay used in this investigation reflected variable amounts of fibrinolysis in patients undergoing both types of thoracic surgery.

Adult↗

PubMed2001

Trial of a novel synthetic sealant in preventing air leaks after lung resection.

BACKGROUND: Postoperative air leaks are a major cause of morbidity after lung resections. This study was designed to evaluate the efficacy and safety of a new synthetic, bioresorbable surgical sealant in preventing air leaks after pulmonary resection. METHODS: In a multicenter trial, 172 patients undergoing thoracotomy were randomized intraoperatively in a 2:1 ratio to receive surgical sealant applied to sites at risk for air leak after standard methods of lung closure (treatment group) or to have standard lung closure only (control group). The primary outcome variable was the percentage of patients free of air leakage throughout hospitalization. Secondary outcome variables were the control of air leaks intraoperatively and the time to postoperative air leak cessation. Time to chest tube removal, time to hospital discharge, and safety outcomes were also evaluated. RESULTS: Air leaks were identified before randomization in 89 of 117 patients in the treatment group and in 39 of 55 patients in the control group. Application of the sealant resulted in control of air leaks in 92% of treated patients (p < or = 0.001). A significantly higher percentage of treated patients than control patients remained free of air leaks during hospitalization (39% versus 11%, p < or =0.001). The mean times to last observable air leak were 30.9 hours in the treatment group and 52.3 hours in the control group (p = 0.006). In the treatment group, trends were observed for reduced time to chest tube removal and earlier discharge. No significant difference was identified in postoperative morbidity and mortality between the two groups. CONCLUSIONS: Air leaks after lung resection occur in most patients. The application of this novel surgical sealant appears to be effective and safe in preventing postoperative air leaks.

Acrylates↗

PubMed2002

Justifying video-assisted thoracic surgery for spontaneous hemopneumothorax.

STUDY OBJECTIVES: Video-assisted thoracic surgery (VATS) has gained a prominent role in routine thoracic surgery practice. This study discusses the clinical aspects and utility of VATS in spontaneous hemopneumothorax (SHP). PATIENTS: Of 363 spontaneous pneumothorax (SP) cases, 24 patients presented with SHP (6.6%). The clinical features, surgical indications, emergency VATS technique, and patient outcomes are discussed. RESULTS: All 24 patients were male (mean age, 25.3 years). Eleven patients were in hypovolemic shock, and their hemoglobin levels ranged from 6.7 to 12.7 g/dL; therefore, they received fluid resuscitation and blood transfusion. The amount of blood drained through the chest tube varied from 200 to 3,500 mL. Emergency VATS revealed that 5 cases were simple hemothoraces and 19 cases were associated with pneumothorax. The cause of bleeding was identified by thoracoscopy, as from an aberrant vessel (n = 11), torn parietal pleura (n = 4), ruptured vascularized bullae (n = 2), and lung parenchyma (n = 1). Six patients had no evidence of an obvious bleeding site. Bullous lesions were at the apex of the upper lobe in 14 patients, and multiple lobar involvement was seen in 2 patients. All the bullae were resected with endoscopic stapler in eight patients and ligated with a homemade endoloop in eight patients. The mean operation time was 42 min. The mean chest tube removal time was 3.5 days after insertion, and mean postoperative stay was 4.5 days. There is no recurrence of SHP or SP during the follow-up period. CONCLUSION: SHP complicated by severe bleeding presents a potentially grave emergency. VATS may be considered as feasible treatment for patients with SHP.

Adolescent↗

PubMed1998

Clinical characteristics and outcome of children with pneumonia attributable to penicillin-susceptible and penicillin-nonsusceptible Streptococcus pneumoniae.

OBJECTIVE: To compare the clinical characteristics, treatment, and outcome of pediatric patients with pneumonia attributable to isolates of Streptococcus pneumoniae that were either susceptible or nonsusceptible to penicillin. DESIGN: Multicenter, retrospective study. SETTING: Eight children's hospitals in the United States. PARTICIPANTS: Two hundred fifty-four children with pneumococcal pneumonia identified from patients enrolled in the United States Pediatric Multicenter Pneumococcal Surveillance Study during the 3-year period from September 1, 1993 to August 31, 1996. OUTCOME MEASURES: Demographic and clinical variables including necessity for and duration of hospitalization, frequency of chest tube placement, antimicrobial therapy, susceptibility of isolates, and clinical outcome. RESULTS: There were 257 episodes of pneumococcal pneumonia that occurred in 254 patients. Of the 257 isolates, 22 (9%) were intermediate and 14 (6%) were resistant to penicillin; 7 (3%) were intermediate to ceftriaxone and 5 (2%) were resistant to ceftriaxone. There were no differences noted in the clinical presentation of the patients with susceptible versus nonsusceptible isolates. Twenty-nine percent of the patients had a pleural effusion. The 189 (74%) hospitalized patients were more likely to have an underlying illness, multiple lung lobe involvement, and the presence of a pleural effusion than nonhospitalized patients. Fifty-two of 72 hospitalized patients with pleural effusions had a chest tube placed, and 27 subsequently underwent a decortication drainage procedure. Eighty percent of the patients treated as outpatients and 48% of the inpatients received a parenteral second or third generation cephalosporin followed by a course of an oral antimicrobial agent. Two hundred forty-eight of the patients (97.6%) had a good response to therapy. Six patients died; however, only 1 of the deaths was related to the pneumococcal infection. CONCLUSION: The clinical presentation and outcome of therapy did not differ significantly between patients with penicillin-susceptible versus those with nonsusceptible isolates of S pneumoniae. Hospitalized patients were more likely to have underlying illnesses, multiple lobe involvement, and the presence of pleural effusions than patients who did not require hospitalization. In otherwise normal patients with pneumonia attributable to penicillin-resistant pneumococcal isolates, therapy with standard beta-lactam agents is effective.

Adolescent↗

PubMed1995

Recombinant aprotinin in coronary artery bypass graft operations.

OBJECTIVE: To evaluate the role of recombinant bovine aprotinin in reducing blood loss in coronary artery bypass graft surgery. DESIGN: An open-label, randomized, controlled study evaluating two dosage levels of recombinant aprotinin. SETTING: Two acute care hospitals (Northwestern Memorial Hospital, Chicago, Ill., and the Scott & White Memorial Hospital, Temple, Texas). PATIENTS: Patients undergoing primary and reoperation coronary artery bypass grafting were assigned to groups by means of a computer-generated table of random numbers. Treated (n = 48) and control (n = 36) patients did not differ significantly in age, sex, weight, number of grafts, or preoperative hemoglobin level. INTERVENTIONS: Recombinant aprotinin was given at two dosages. Dosage level 1 consisted of a bolus of 2 mg/kg intravenously immediately after the induction of anesthesia, 1 mg/kg added to each liter of the oxygenator prime, and 0.5 mg.kg-1.hr-1 infused continuously during operation. At dosage level 2, doses were doubled. Intraoperative monitoring of anti-factor Xa activity was performed, and additional doses of heparin were given on the basis of anti-factor Xa results. MAIN OUTCOME MEASURES: Preoperative and postoperative hemoglobin levels, amounts of autotransfusion device and chest tube drainage blood, and transfusions of allogeneic red blood cells. Adverse clinical events (alterations in renal function, graft thrombosis, myocardial infarction, and death) were recorded. RESULTS: Additional heparin was given to 48% patients in the aprotinin group and to 44% of control patients. Overall red blood cell loss (in milliliters, mean +/- standard deviation [SD]) was decreased with aprotinin at dosage level 1 for reoperations (1040 +/- 162 vs 1544 +/- 198, p < 0.01), and at dosage level 2 for all operations (primary operations, 886 +/- 362 vs 1333 +/- 618, p = 0.02; reoperations, 1191 +/- 560 vs 1815 +/- 1116, p = 0.2). Fewer patients in the aprotinin than in the control group had transfusions of donated blood (6/48 vs 12/36, p = 0.02) or reinfusion of chest tube drainage blood (12/48 vs 20/36, p < 0.01). Among patients receiving dosage level 1, there were no myocardial infarctions or deaths. At dosage level 2, one patient had profound bradycardia and died on day 12 and two patients had late graft closures. Two control patients had hypotension after bypass necessitating intraaortic balloon pumps, and one of these patients died. Postoperative increases in blood urea nitrogen and creatinine levels were small in both aprotinin and control groups. No hypersensitivity or other allergic reactions occurred. CONCLUSION: We conclude that, at the dosages given, recombinant bovine aprotinin decreases surgical blood loss and transfusion requirements in patients undergoing coronary artery bypass grafting, but its use requires appropriate monitoring of heparin use during bypass. Whether higher dosages of aprotinin increase the risk of graft thrombosis must be further assessed with a larger patient sample.

Aged↗

PubMed2001

Extracardiac conduit versus lateral tunnel cavopulmonary connections at a single institution: impact on outcomes.

OBJECTIVE: To compare outcomes of extracardiac conduit and lateral tunnel Fontan connections in a single institution over a concurrent time period. METHODS: Between January 1994 and September 1998, 60 extracardiac conduit and 47 lateral tunnel total cavopulmonary connections were performed. Age, sex, and weight did not differ between the 2 groups. Compared with the lateral tunnel group (LT group), patients undergoing the extracardiac conduit procedure (EC group) had a trend to a higher incidence of morphologically right ventricle (EC group 48% vs LT group 32%; P <.09), a higher incidence of isomerism/heterotaxy syndrome (EC 22% vs LT 0%; P <.001), worse atrioventricular valve regurgitation (EC 11% moderate-plus vs LT 0%; P <.06), and lower McGoon indices (EC 1.8 +/- 0.5 vs LT 2.1 +/- 0.5; P <.03). Preoperative arrhythmias, transpulmonary gradients, room air oxygen saturations, ejection fractions, ventricular end-diastolic pressure, and pulmonary artery distortion did not differ between groups. Cardiopulmonary bypass times and fenestration usage were similar in both groups. RESULTS: Overall operative mortality was 5.6% and did not differ between groups. The LT group had a significantly higher incidence of postoperative sinoatrial node dysfunction (45% vs EC group 15%; P <.007), supraventricular tachycardia (33% vs EC group 8%; P <.0009), and need for temporary postoperative pacing (32% vs 12%; P <.01). Median duration of intensive care unit stay (EC 2 days, range 1-10 days, vs LT 2.8 days, range 1-103 days; P <.07) and ventilatory support (EC 1 day, range 0.25-10 days, vs LT 1 day, range 0.25-99 days; P <.03) were all longer in the LT group. Median chest tube drainage (EC 8 days, LT 9 days) was similar in both groups. Follow-up averaged 2.5 +/- 1.4 years in the EC group and 2.8 +/- 1.9 years in the LT group. There were 2 late deaths. Overall survival is 94% at 1 month, 92% at 1 year, and 92% at 5 years. Late ejection fraction or atrioventricular valve function did not differ between groups. Intermediate follow-up Holter analysis showed a higher incidence of atrial arrhythmias in the LT group (23% vs 7%; P <.02). Multivariable analysis showed that (1) prolonged cardiopulmonary bypass time was the only independent predictor for perioperative mortality, prolonged ventilation and intensive care unit length of stay, and increased time to final removal of chest tube drains and (2) lateral tunnel Fontan connection is an independent predictor of early postoperative and intermediate atrial arrhythmias. CONCLUSIONS: Although patients in the EC group were at higher preoperative risk, their outcomes were comparable with those of the LT group. Use of the extracardiac conduit technique for the modified Fontan operation reduces the risk of early and midterm atrial arrhythmia.

Arrhythmias, Cardiac↗

PubMed1990

Lung function in children following empyema.

Spirometry was performed and response to exercise was measured in 15 children following recovery from empyema to evaluate the impact of pleural infection on subsequent lung function. Seven children underwent chest tube drainage; eight did not. The two groups were similar in age (mean +/- SD, 6 +/- 5 years), sex distribution, bacterial pathogen-producing empyema, and age at follow-up evaluation (12 +/- 5 years). Only one child reported recurrent respiratory symptoms. No child had restrictive spirometric changes (total lung capacity, less than 80%; vital capacity, less than 80% predicted) but seven of 15 had a reduced forced expiratory volume in 1 second (less than 80% predicted) or forced expiratory flow during the middle half of the vital capacity (less than 75% predicted), suggesting mild airway obstruction. No child demonstrated reduced exercise tolerance due to restrictive ventilatory limitations. Mild obstructive abnormalities in lung function were identified with equal frequency in children treated with and without chest tube drainage.

Child↗

PubMed2000

A randomized, controlled trial comparing thoracoscopy and limited thoracotomy for lung biopsy in interstitial lung disease.

BACKGROUND: Lung biopsies are frequently needed to diagnose diffuse interstitial lung diseases. A prospective randomized, controlled trial comparing limited thoracotomy (open lung biopsy) and thoracoscopy for lung biopsy was done. METHODS: Ambulatory patients with a clinical diagnosis of diffuse interstitial lung disease were randomized to thoracoscopy or limited thoracotomy. Data on postoperative pain, narcotic requirements, operating room time, adequacy of biopsy, duration of chest tube drainage, length of hospital stay, spirometry, and complications were collected. RESULTS: A total of 42 randomized patients underwent lung biopsy (thoracoscopy 20, thoracotomy 22). The two study groups were comparable with respect to age, gender, corticosteroid use, and preoperative spirometry. Visual analog scale pain scores were nearly identical in the two groups (p = 0.397). Total morphine dose was 50.8 +/- 27.3 mg in the thoracoscopy group and 52.5 +/- 25.6 mg in the thoracotomy group (p = 0.86). Spirometry (FEV1) values in the two groups were not significantly different on postoperative days 1, 2, 14, and 28 (p = 0.665). Duration of operation was similar in both groups (thoracoscopy 40 +/- 30 minutes, thoracotomy 37 +/- 15 minutes; p = 0.67). The thoracoscopy and thoracotomy groups had equivalent duration of chest tube drainage (thoracoscopy 38 +/- 28 hours, thoracotomy 31 +/- 26 hours; p = 0.47) and length of hospital stay (thoracoscopy 77 +/- 82 hours, thoracotomy 69 +/- 55 hours; p = 0.72). Definitive pathologic diagnoses were made in all patients. CONCLUSIONS: There is no clinical or statistical difference in outcomes for thoracoscopic and thoracotomy approaches. Both thoracoscopy and thoracotomy are acceptable procedures for diagnostic lung biopsy in diffuse interstitial lung disease.

Biopsy↗

PubMed2006

Benefits of early aggressive management of empyema thoracis.

BACKGROUND: The end-target of the management of thoracic empyema is to obtain early rehabilitation by re-expansion of the trapped lung resulting from intrapleural infected material. Our aim was to shorten the hospitalization time and to prevent a possible thoracotomy by using video-assisted thoracoscopy initially. METHODS: Seventy patients with parapneumonic empyema were prospectively studied between January 1997 and June 2004. The patients were randomly divided into two groups. In group I (n = 35 patients), a chest tube was inserted into the patients after pleural content was evacuated and fibrins were debrided using video-assisted thoracoscopy. In group II (n = 35 patients), tube thoracostomy was carried out without using a video-assisted thoracoscope. Both groups were compared in terms of hospitalization time, open surgery for decortication and complications. RESULTS: There was no statistically significant difference between the groups from the point of view of age and sex (P > 0.05). In group I, 17.1% of the patients underwent open decortication, whereas in group II, 37.1% of the patients underwent the same procedure (P < 0.05). Whereas average hospital stay in group I was 8.3 days (range, 7-11 days), it was 12.8 days in group II (range, 10-18 days; P < 0.05). There was one bronchopleural fistula in group I, and there was one bronchopleural fistula and one death in group II. CONCLUSION: Video-assisted thoracoscopic evacuation and chest tube insertion in situ is a new therapeutic approach for pleural empyema that shortens hospital stay and reduces the necessity of open decortication.

Adult↗