Safety, cost-effectiveness and feasibility of daycase paracentesis in the management of malignant ascites with a focus on ovarian cancer.
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ABSTRACT: Background
Paracentesis for malignant ascites is usually performed as an in-patient procedure, with a median length of stay (LoS) of 3-5 days, with intermittent clamping of the drain due to a perceived risk of hypotension. In this study, we assessed the safety of free drainage and the feasibility and cost-effectiveness of daycase paracentesis.Method
Ovarian cancer admissions at Hammersmith Hospital between July and October 2009 were audited (Stage 1). A total of 21 patients (Stage 2) subsequently underwent paracentesis with free drainage of ascites without intermittent clamping (October 2010-January 2011). Finally, 13 patients (19 paracenteses, Stage 3), were drained as a daycase (May-December 2011).Results
Of 67 patients (Stage 1), 22% of admissions and 18% of bed-days were for paracentesis, with a median LoS of 4 days. In all, 81% of patients (Stage 2) drained completely without hypotension. Of four patients with hypotension, none was tachycardic or symptomatic. Daycase paracentesis achieved complete ascites drainage without complications, or the need for in-patient admission in 94.7% of cases (Stage 3), and cost £954 compared with £1473 for in-patient drainage.Conclusions
Free drainage of malignant ascites is safe. Daycase paracentesis is feasible, cost-effective and reduces hospital admissions, and potentially represents the standard of care for patients with malignant ascites.
SUBMITTER: Harding V
PROVIDER: S-EPMC3464770 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:BACKGROUND:Malignant ascites (MA) is associated with poor prognosis and limited palliative therapeutic options. Therefore, quality of life (QoL) assessment is of particular importance to demonstrate new treatment value. Following the demonstration of the superiority of catumaxomab and paracentesis over paracentesis on puncture-free survival, this analysis aimed at comparing deterioration in QoL between both the treatment options. PATIENTS AND METHODS:In a randomised, multicentre, phase II/III study of patients with MA due to epithelial cell adhesion molecule (EpCAM) positive cancer, the QoL was evaluated using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 items (EORTC QLQ-C30) questionnaire at screening, 1, 3 and 7 months after treatment and in the case of re-puncture on the day of paracentesis. Time to first deterioration in QoL was defined as a decrease in the QoL score of at least five points and compared between the catumaxomab (n=160) and control (n=85) groups using the log-rank test and Cox proportional hazards models adjusted for baseline score, country and primary tumour type. RESULTS:Deterioration in QoL scores appeared more rapidly in the control than in the catumaxomab group (median 19-26 days versus 47-49 days). The difference in time to deterioration in QoL between the groups was statistically significant for all scores (P<0.01). The hazard ratios ranged from 0.08 to 0.24 (P<0.01). CONCLUSIONS:Treatment with catumaxomab delayed deterioration in QoL in patients with MA. Compared with paracentesis alone, catumaxomab enabled patients to benefit from better QoL for a prolonged survival period.
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Project description:Background: Ascites is the accumulation of fluid within the abdominal cavity. Most women with advanced ovarian cancer and some women with advanced endometrial cancer need repeated drainage for ascites. Guidelines to advise those involved in the drainage of ascites are usually produced locally and are generally not evidence-based. Managing drains that improve the efficacy and quality of the procedure is key in making recommendations that could improve the quality of life (QoL) for women at this critical period of their lives.Objectives: To evaluate the effectiveness and adverse events of different interventions for the management of malignant ascites drainage in the palliative care of women with gynaecological cancer.Search methods: We searched CENTRAL, MEDLINE, and Embase to 4 November 2019. We checked clinical trial registries, grey literature, reports of conferences, citation lists of included studies, and key textbooks for potentially relevant studies.Selection criteria: We included randomised controlled trials (RCTs) of women with malignant ascites with gynaecological cancer. If studies also included women with non-gynaecological cancer, we planned to extract data specifically for women with gynaecological cancers or request the data from trial authors. If this was not possible, we planned to include the study only if at least 50% of participants were diagnosed with gynaecological cancer.Data collection and analysis: Two review authors independently selected studies, extracted data, evaluated the quality of the included studies, compared results, and assessed the certainty of the evidence using Cochrane methodology.Main results: In the original 2010 review, we identified no relevant studies. This updated review included one RCT involving 245 participants that compared abdominal paracentesis and intraperitoneal infusion of catumaxomab versus abdominal paracentesis alone. The study was at high risk of bias in almost all domains. The data were not suitable for analysis. The median time to the first deterioration of QoL ranged from 19 to 26 days in participants receiving paracentesis alone compared to 47 to 49 days among participants receiving paracentesis with catumaxomab infusion (very low-certainty evidence). Adverse events were only reported among participants receiving catumaxomab infusion. The most common severe adverse events were abdominal pain and lymphopenia (157 participants; very low-certainty evidence). There were no data on the improvement of symptoms, satisfaction of participants and caregivers, and cost-effectiveness.Authors' conclusions: Currently, there is insufficient evidence to recommend the most appropriate management of drainage for malignant ascites among women with gynaecological cancer, as there was only very low-certainty evidence from one small RCT at overall high risk of bias.
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Project description:Here we examined whether malignant ascites may determine ovarian tumor angiogenesis, and if so whether ascites generated by highly aggressive serous and undifferentiated cancers are more proangiogenic than those from less aggressive clear cell and endometrioid tumors. Angiogenesis was analyzed according to expression of CD31, CD34, and connexin 43. Proliferation and migration of endothelial cells were tested using fluorescence-based methods. The quantification of angiogenic agents and hypoxia-inducible factor 1? (HIF-1?) was performed using specific immunoassays. Results showed that the expression of CD31 and CD34 in serous and undifferentiated tumors was greater, whereas endothelial expression of connexin 43 was lower than in clear cell and endometrioid lesions. Serous cancers that formed in the presence of ascites displayed increased expression of connexin 43 in vascular smooth muscles as compared with tumors developed in the fluid's absence. Endothelial cells exposed to ascites from serous and undifferentiated tumors proliferated and migrated more vigorously than cells subjected to ascites from clear cell and endometrioid cancers. They also exhibited an increased level of HIF-1? and produced increased amounts of multiple proangiogenic agents. Our results indicate that high vascularization of aggressive ovarian tumors may be associated with profound angiogenic capabilities of ascites generated by these tumors.
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Project description:BackgroundIn epithelial ovarian cancer (EOC), 15-20% of the tumors do not respond to first-line chemotherapy (paclitaxel with platinum-based therapy), and in recurrences this number increases. Our aim is to determine the feasibility of cell proliferation assays of tumor cells isolated from malignant ascites to predict in vitro chemotherapy sensitivity, and to correlate these results with clinical outcome.Materials and methodsAscites was collected from twenty women with advanced EOC. Cell samples were enriched for tumor cells and EOC origin was confirmed by intracellular staining of CK7, surface staining of CA125 and EpCAM, and HE4 gene expression. In vitro sensitivity to chemotherapy was determined in cell proliferation assays using intracellular ATP content as an indirect measure of cell number. In vitro drug response was quantified by calculation of the drug concentration at which cell growth was inhibited with 50%. Clinical outcome was determined using post-treatment CA125 level.ResultsCell samples of twenty patients were collected, of which three samples that failed to proliferate were excluded in the analysis (15%). Three other samples were excluded, because clinical outcome could not be determined correctly. In twelve of the fourteen remaining cases (86%) in vitro drug sensitivity and clinical outcome corresponded, while in two samples (14%) there was no correspondence.ConclusionsOur study demonstrates the feasibility of drug sensitivity tests using tumor cells isolated from ascites of advanced EOC patients. Larger observational studies are required to confirm the correlation between the in vitro sensitivity and clinical outcome.
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Project description:BackgroundPatients with cirrhosis and ascites experience frequent hospital admissions, leading to poor quality of life and high healthcare costs. Monitoring weight is a component of ascites care and telemonitoring may improve outcomes and costs. Goals We aimed to evaluate the cost and outcomes of current care compared to a telemonitoring system for ascites. Study We developed a decision-analytic model that examined 100 simulated patients over a 6-month horizon. We compared usual care to a new telemonitoring program, which we estimate costs $50,000/6 months.ResultsThe cost of standard of care for 100 patients with cirrhotic ascites over a 6-month period is $167,500 more expensive than telemonitoring. By varying parameter probabilities by ± 10% and outcome costs by ± 20%, we found that standard of care remains more expensive than care with a telemonitoring intervention by $9400 to $340,200 per 6-month period. Standard of care leads to 9 more admissions (range 4 to 12) than a telemonitoring intervention, while telemonitoring leads to 9 more outpatient visits (range 6 to 9) and 28 additional outpatient large volume paracenteses (LVPs) (range 17 to 28). With more and less expensive telemonitoring interventions, standard of care remained more expensive. With 50% adherence to the intervention, standard of care was $89,848 more expensive.ConclusionsIn almost all probability and cost scenarios, a telemonitoring intervention is cost-saving for the management of cirrhotic ascites. Using hospital admissions as a surrogate for quality of care, patient outcomes are improved primarily though more proactive medical intervention and more LVPs.
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Project description:Background & aimsDiagnostic paracentesis is recommended for patients with cirrhosis who are admitted to the hospital for ascites or encephalopathy. However, it is not known whether clinicians in the United States adhere to this recommendation; a relationship between paracentesis and clinical outcome has not been reported. We analyzed a U.S. database to determine the frequency of paracentesis and its association with mortality.MethodsThe 2009 Nationwide Inpatient Sample (which contains data from approximately 8 million hospital discharges each year) was used to identify patients with cirrhosis and ascites who were admitted with a primary diagnosis of ascites or encephalopathy. In-hospital mortality, length of stay, and hospital charges were compared for those who did and did not undergo paracentesis. Outcomes were compared for those who received an early paracentesis (within 1 day of admission) and those who received one later.ResultsOf 17,711 eligible admissions, only 61% underwent paracentesis. In-hospital mortality was reduced by 24% among patients who underwent paracentesis (6.5% vs 8.5%; adjusted odds ratio, 0.55; 95% confidence interval, 0.41-0.74). Most paracenteses (66%) occurred ≤1 day after admission. In-hospital mortality was lower among patients who received early paracentesis than those who received it later (5.7% vs 8.1%, P = .049), although this difference was not significant after adjustment for confounders (odds ratio, 1.26; 95% confidence interval, 0.78-2.02). Among patients who underwent paracentesis, the mean hospital stay was 14% longer and hospital charges were 29% greater than for patients who did not receive the procedure.ConclusionsParacentesis is underused for patients admitted to the hospital with ascites; the procedure is associated with increased short-term survival. These data support practice guidelines derived from expert opinion. Studies are needed to identify barriers to guideline adherence.
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Project description:Ascitic multicellular aggregates (MCAs) promote peritoneal metastasis of ovarian cancer. The aim of the present study was to elucidate the role of cancer?associated fibroblasts (CAFs) in MCA formation and metastasis in patients with high?grade serous ovarian cancer (HGSOC). Immunohistochemistry was used to identify the cell phenotypes and the presence of CAFs in ascitic MCAs. The role of CAFs in tumor?cell MCA formation was assessed by co?culture in suspension. Primary ascitic tumor cells and omental CAFs were used to generate ex vivo MCAs in hanging drops, and the invasiveness of MCAs was evaluated by mesothelial clearance and adhesion assays in vitro and in vivo. MCAs containing CAFs and tumor cells were identified in the ascitic fluid. CAFs facilitated tumor cell aggregation and compaction to form MCAs, and enhanced the mesothelial clearance and adhesion abilities of tumor?cell MCAs. These findings suggest that ascitic CAFs promote peritoneal metastasis by forming heterotypic aggregates with tumor cells, and that they may serve as potential targets for the treatment of HGSOC.
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