Liver transplantation for refractory hepatic hydrothorax is associated with a greater survival benefit compared to other complications of cirrhosis.

Hepatic hydrothorax (HH) is a significant complication of cirrhosis associated with increased mortality. Liver transplantation (LT) remains the best treatment modality. We aim to assess predictors of mortality and the survival benefit of LT in patients with HH. A prospectively maintained cohort of adult patients with cirrhosis, being evaluated for LT at our institution, was retrospectively reviewed from 2015 to 2020. The primary outcome was death or LT. Cox proportional hazard regression identified associations between covariates and death. We calculated the years saved due to LT by comparing patients who were on the waiting list with patients who received an LT. This was done by calculating the area under the Kaplan-Meier curve. Censoring occurred at the time of the last follow-up or death. Patients with refractory HH had the lowest median survival of only 0.26 years. Within the HH group, having a refractory HH group was significantly associated with an increased risk of mortality (HR 1.73; 95% CI 1.06-2.81; p -value 0.03). Refractory HH was also significantly associated with mortality when evaluated in the entire cohort and after adjusting for other covariates (HR 1.48, 95% CI 1.03-2.11; p -value 0.03). Patients with refractory HH had the highest 1-year survival benefit with LT (0.48 y), followed by patients with non-refractory HH (0.28 y), then patients with other complications of cirrhosis (0.19 y). In this large study evaluating the prognostic impact of HH on patients with cirrhosis, refractory HH was an independent predictor of mortality. LT provides an additional survival benefit to patients with HH compared with those without HH.

Video-assisted thoracoscopic surgery for pleuroperitoneal communication.

Here we report the cases of five patients on continuous ambulatory peritoneal dialysis (CAPD) who developed hydrothorax because of pleuroperitoneal communication. Preoperative computed tomography (CT) peritoneography revealed penetrated sites on the diaphragm in all patients. All patients underwent video-assisted thoracoscopic surgery (VATS), and a dialysate containing indigo carmine was injected intraperitoneally through a CAPD catheter to confirm the fistula. In all patients, a thinned bleb was found at the center of the diaphragmatic tendon consistent with that noted on preoperative CT peritoneography. The bleb was resected using a surgical stapler in four patients, and the pleuroperitoneal communication did not recur. However, in one patient, the bleb was only covered with reinforcement agents and the hydrothorax recurred after CAPD. This study demonstrates that VATS treatment for pleuroperitoneal communication is safe and effective but that lesion resection would be more useful for preventing hydrothorax recurrence in patients undergoing CAPD.

Spontaneous bacterial empyema: a tertiary care center experience and a systematic review.

BACKGROUND: Spontaneous bacterial empyema (SBE) is an infection of a preexisting hepatic hydrothorax (HH). We aim to describe the experience in managing SBE in a liver transplant (LT) referral center and assessing the incidence and mortality rates of SBE after conducting a systematic review. METHODS: 992 patients with cirrhosis were retrospectively reviewed from 2015 to 2020. SBE was diagnosed by (i) positive microbiological culture and polymorphonuclear leukocyte count >250 cells/µL or (ii) negative microbiological culture, compatible clinical course, and polymorphonuclear count >500 cells/µL in pleural fluid. Furthermore, we conducted a comprehensive literature search of MEDLINE, EMBASE, and Google Scholar for studies evaluating SBE. RESULTS: Twelve patients (10.4%) had spontaneous bacterial empyema out of 115 patients with HH. Five patients underwent LT, 6 had died, and 1 did not get transplanted and was alive throughout the duration of follow-up. Ten studies were included in the systematic review. Pooled incidence in patients with HH was 19.03%. Only 20.69% of the patients received a LT. Pooled mortality rate was 46.45%, with only 3.45% of the patients dying post-transplant. CONCLUSION: SBE is a severe complication of cirrhosis and HH. LT may provide a survival benefit. Thus, patients should be considered for early transplant.

Early thoracentesis correlated with survival benefit in patients with spontaneous bacterial empyema.

BACKGROUND: Spontaneous bacterial empyema (SBEM) is a rare complication of hepatic hydrothorax characterized by hydrothorax infection in the absence of pneumonia. AIMS AND METHODS: We conducted this study to compare clinical outcomes in SBEM patients who underwent early thoracentesis (ET) (≤ 24 h from presentation) versus those who underwent delayed thoracentesis (DT). All patients diagnosed with SBEM at Mayo Clinic Rochester, Minnesota from January 1st 1999 to December 31st 2020 were reviewed. Demographics, pleural fluid studies, laboratory results and clinical outcomes were analyzed. RESULTS: A total of 54 SBEM patients (27 ET and 27 DT) were identified with 38 (70.4%) of patients presenting with right-sided effusions. Both groups had similar baseline characteristics. The rate of ICU admission was significantly higher in the DT group (15 (55.6%) vs. 7 (25.9%) patients, P = 0.027). Patients with DT had similar rate of AKI (11 (40.7%) vs. 6 (22.2%) patients, P = 0.074). In-hospital mortality (11 (40.7%) vs. 2 (7.4%) patients, P = 0.004), 3-month mortality (16 (59.3%) vs. 2 (7.4%) patients, P < 0.001) and 1-year mortality rate (21 (77.8%) vs. 6 (22.2%) patients, P < 0.001) were higher in the DT group. CONCLUSION: Patients with SBEM who underwent thoracentesis after 24 h from presentation (DT) had higher rates of mortality and ICU admission compared to patients who received early thoracentesis. Thoracentesis should be performed early in patients with suspected SBEM since it may improve survival.

Early diagnosis of Meigs syndrome in children A case report and a review of the literature.

Meigs syndrome is a rare disease defined by the coexistence of benign ovarian neoplasm, ascites and hydrothorax, which mainly affects women over the age of 30. This clinical condition refers only to cases in which the ovarian neoformation is a fibroid, a thecoma, a granulosa cell tumor or a Brenner tumor with disappearance of symptoms and effusions after removal of the neoplasm. Meigs syndrome is most frequently characterized by the presence of an ovarian fibroid, which in childhood is very rare and not commonly associated with the disease. In this article we report the case of an 11- year-old girl who came to our observation for a high fever for five days accompanied by cough and abdominal pain; imaging methods revealed bilateral hydrothorax, ascites, and a voluminous expansive right ovarian formation. On histological examination, the mass showed a cellular fibroid and the diagnosis of Meigs syndrome was made. Furthermore, we present a review of the literature aimed at detecting the state of knowledge on this disease in pediatric age, giving particular emphasis to the condition for which, in the presence of pleural effusion and ascites, an ovarian neoformation is not necessarily malignant. KEY WORDS: CT, Meigs syndrome, Pediatric, Pelvic mass, Ultrasounds.

Application of Contrast-Enhanced Ultrasound to Detect Hepatic Hydrothorax in Patients with Liver Cirrhosis.

PURPOSE: Hepatic hydrothorax (HH) is defined as transudate in the pleural cavity in patients with decompensated liver cirrhosis (DC) without concomitant cardiopulmonary or pleural disease. It is associated with high short-term mortality. HH can evolve via translocation through diaphragmatic gaps. The aim of this study was to evaluate the feasibility and safety of injecting ultrasound contrast medium into the peritoneal cavity to detect HH. MATERIALS AND METHODS: This study included patients with concomitant ascites and pleural effusion who were admitted to our hospital between March 2009 and February 2019. A peritoneal catheter was inserted and ultrasound contrast medium was injected into the peritoneal cavity. In parallel, the peritoneal and pleural cavities were monitored for up to 10 minutes. RESULTS: Overall, 43 patients were included. The median age was 60 years and the majority of patients were male (n = 32, 74 %). Most patients presented with right-sided pleural effusion (n = 32, 74 %), 3 (7 %) patients with left-sided and 8 (19 %) patients had bilateral pleural effusion. In 12 (28 %) patients ascites puncture was not safe due to low volume ascites. Thus, the procedure could be performed in 31 (72 %) patients. No adverse events occurred. In 16 of 31 (52 %) patients we could visualize a trans-diaphragmic flow of microbubbles. The median time until transition was 120 seconds. CONCLUSION: Our clinical real-world experience supports the safety and feasibility of intraperitoneal ultrasound contrast medium application to detect HH in patients with DC, as a non-radioactive real-time visualization of HH. Our study comprises the largest cohort and longest experience using this method to date.

Indwelling Pleural Catheter (IPC) for the Management of Hepatic Hydrothorax: The Known and the Unknown.

BACKGROUND: Hepatic hydrothorax (HH) is described as pleural effusion secondary to liver cirrhosis after ruling out other etiologies. We aim to assess the efficacy of an indwelling pleural catheter (IPC) placement in refractory HH in this systematic review and meta-analysis. METHODS: A comprehensive search of literature was performed from inception to December 2020. The authors reviewed, selected, and abstracted the data from eligible studies into Covidence, a systematic review software. Cochrane criteria was used to rate each study for the risk of bias. The data abstracted were described using a random-effects model. Heterogeneity was evaluated using the I2 test. RESULTS: Ten studies involving a total of 269 patients were included. The studies were analyzed for the proportion of pleurodesis achieved, the average time to pleurodesis, total complication rate, pleural infection rate, and mortality. A proportion of 47% of the total subjects included achieved spontaneous pleurodesis in an average duration of 104.3 days. The frequency of total complication rate was noted to be 30.36%. The incidence of pleural cavity infection was described to be 12.4% and death resulting from complications of IPC was 3.35%. CONCLUSION: The current management options for the refractory pleural effusion in HH include repeated thoracenteses, transjugular intrahepatic portosystemic shunt, surgical repair of defects in the diaphragm, and liver transplantation. However, the cost, eligibility, and availability can be some of the major concerns with these treatment modalities. With this meta-analysis, we conclude that IPCs can provide an alternative therapeutic option for spontaneous pleurodesis.

Tension Hydrothorax After Attempted Arthroscopic Fixation of Greater Tuberosity Fracture in a Trauma Patient: A Case Report.

CASE: We report the case of a 27-year-old man who presented after a 30-foot fall with a hemopneumothorax, multiple rib fractures, and left shoulder dislocation with greater tuberosity fracture. During attempted arthroscopic repair, the patient developed pulseless electrical activity arrest as the result of intraoperative tension hydrothorax. We hypothesize that this was caused by a traumatic soft-tissue communication to his shoulder joint from the apex of his lung. CONCLUSION: To our knowledge, this is a unique and unreported complication of shoulder arthroscopy and should increase awareness about possibly delaying surgery in the setting of significant soft-tissue trauma.

Refractory Hepatic Hydrothorax in Chronic Hepatitis C Controlled by Direct-acting Antivirals.

Hepatic hydrothorax is a transudative pleural effusion that complicates advanced liver cirrhosis. Patients refractory to medical treatment plus salt restriction and diuretics are considered to have refractory hepatic hydrothorax and may require transjugular intrahepatic portosystemic shunt (TIPS) or liver transplant. Successful antiviral therapy reduces the incidence of some complications of cirrhosis secondary to HCV infection. We report a case of hepatic hydrothorax in a 55-year-old female patient with HCV cirrhosis, which exhibited a spontaneous decrease in pleural effusion after direct antiviral agent (DAA) therapy. In cases of HCV cirrhosis, DAAs are worth administering before treatment by TIPS or liver transplantation.

[Cirrhotic cardiomyopathy-associated acute cardiac failure in a patient with decompensated alcoholic cirrhosis with massive hepatic hydrothorax].

Cirrhotic cardiomyopathy (CCM) is a chronic cardiac dysfunction in patients with cirrhosis and is characterized by altered diastolic relaxation, blunted contractile response to stress, and electrophysiological abnormalities;however, causes of CCM are unknown. Moreover, reduced cardiac afterload due to cirrhosis-related vasodilatation often masks cardiac insufficiency, whereas rapid hemodynamic overload reveals the presence of cirrhotic cardiomyopathy. Herein, we present the case of previously unrecognized cirrhotic cardiomyopathy that became overt with the development of severe acute cardiac failure. The rapidly worsening hepatic hydrothorax increased cardiac preload and intrathoracic pressure, which impaired cardiac filling. Furthermore, cardiac contractile function might have been worsened by hypoxia due to passive atelectasis and concomitant anemia.

Causative factors, imaging findings, and CT course of round atelectasis.

OBJECTIVE: To assess causative factors, associated imaging findings, and CT course of round atelectasis (RA). MATERIALS AND METHODS: We retrospectively reviewed CT reports for "round" or "rounded atelectasis" over a 5-year time frame. Patients with at least 2 CT scans a minimum of 6 months apart were included. Electronic medical records and clinical and imaging follow-up was reviewed for all cases. RESULTS: Study population included 50 individuals with mean age of 63 years, and 59 unique instances of RA. The most commonly associated etiologies were hepatic hydrothorax (26%, n = 13) and asbestos exposure (26%), followed by post-infectious pleural inflammation (22%), congestive heart failure (12%), and end stage renal disease (8%). RA was found in the right lower lobe in over half of cases (n = 30). Association with one or more pleural abnormality was identified in all cases, including thickening (88%), fluid (60%), or calcification (40%). Nearly one third (n = 19) demonstrated intra-lesional calcification. In those who underwent PET/CT (20%), lesions demonstrated an average SUV of 2.2 (range 0-7.8). CT course over mean follow up of 32 months (range 6-126 months), demonstrated RA to remain stable (n = 26) or decrease (n = 26) in size in the majority (88%) of cases. CONCLUSION: Round atelectasis may arise from diverse etiologies beyond asbestos, and will most often decrease or remain stable in size over serial exams. Accurate identification may obviate the need for added diagnostic interventions.

Presenting hydrothorax predicts failure of needle aspiration in primary spontaneous pneumothorax.

OBJECTIVE: The objective was to evaluate if existence of hydrothorax in initial chest radiograph predicts treatment outcome in patients with primary spontaneous pneumothorax who received needle thoracostomy. METHODS: This is a retrospective cohort study carried out from January 2011 to August 2014 in 1 public hospital in Hong Kong. All consecutive adult patients aged 18years or above who attended the emergency department with the diagnosis of primary spontaneous pneumothorax with needle aspiration performed as primary treatment were included. Age, smoking status, size of pneumothorax, previous history of pneumothorax, aspirated gas volume and presence of hydropneumothorax in initial radiograph were included in the analysis. The outcome was success or failure of the needle aspiration. Logistic regression was used to identify the predicting factors of failure of needle aspiration. RESULT: There were a total of 127 patients included. Seventy-three patients (57.5%) were successfully treated with no recurrence upon discharge. Among 54 failure cases, 13 patients (10.2%) failed immediately after procedure as evident by chest radiograph and required second treatment. Forty-one patients (32.3%) failed upon subsequent chest radiographs. Multivariate logistic regression showed factors independently associated with the failure of needle aspiration, which included hydropneumothorax in the initial radiograph (odds ratio [OR]=4.47 [1.56i12.83], P=.005), previous history of pneumothorax (OR=3.92 [1.57-9.79], P=.003), and large size of pneumothorax defined as apex-to-cupola distance ≥5cm (OR=2.75 [1.21-6.26], P=.016). CONCLUSIONS: Hydropneumothorax, previous history of pneumothorax, and large size were independent predictors of failure of needle aspiration in treatment of primary spontaneous pneumothorax.

Hidrotórax masivo derecho en una paciente con hepatopatía crónica / Massive hydrothorax in a patient with chronic liver disease

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