Pleura and PeritoneumPub Date : 2022-05-02eCollection Date: 2022-06-01DOI: 10.1515/pp-2022-0107
Anais Alonso, Winston Liauw, Helen Kennedy, Nayef A Alzahrani, David L Morris
{"title":"Sodium thiosulfate during cisplatin-based hyperthermic intraperitoneal chemotherapy is associated with transient hypernatraemia without clinical sequelae.","authors":"Anais Alonso, Winston Liauw, Helen Kennedy, Nayef A Alzahrani, David L Morris","doi":"10.1515/pp-2022-0107","DOIUrl":"https://doi.org/10.1515/pp-2022-0107","url":null,"abstract":"<p><strong>Objectives: </strong>Cisplatin is commonly used during intraperitoneal chemotherapy however has well-established nephrotoxic side-effects. Sodium thiosulfate is often added to cisplatin-based hyperthermic intraperitoneal chemotherapy (HIPEC) protocols to mitigate this, however evidence regarding risk of hypernatraemia is scarce as of yet.</p><p><strong>Methods: </strong>We retrospectively identified patients undergoing cytoreductive surgery (CRS) for peritoneal surface malignancies of any origin at a single high-volume unit between April 2018 and December 2020. Patients were included if they received cisplatin-based HIPEC with intravenous sodium thiosulfate. Blood tests were collected pre-surgery and then daily during admission. Hypernatraemia was defined as serum sodium >145 mmol/L. Renal impairment was defined using the RIFLE criteria.</p><p><strong>Results: </strong>Eleven CRSs met inclusion criteria, the majority of which were indicated for ovarian cancer (72.7%). One (9.1%) patient with mesothelioma received mitomycin C as an additional chemotherapy agent. The incidence of hypernatraemia was 100% but all cases were transient, with no clinical sequelae observed. The rate of AKI was 36.4%, with three (27.3%) patients classified as risk and one (9.1%) instance of failure. No long-term renal impairment was observed.</p><p><strong>Conclusions: </strong>Despite biochemical evidence of mild hypernatraemia but with the absence of clinical sequelae, sodium thiosulfate appears to be safe when used in adjunct to cisplatin-based HIPEC during CRS. These findings should be evaluated with further comparative studies. When describing renal impairment, it is important that standardisation in reporting occurs, with the RIFLE and Acute Kidney Injury Network criteria now the preferred consensus definitions.</p>","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"7 2","pages":"87-93"},"PeriodicalIF":1.8,"publicationDate":"2022-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9166178/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40489344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pleura and PeritoneumPub Date : 2022-04-26eCollection Date: 2022-06-01DOI: 10.1515/pp-2021-0150
Jolene Si Min Wong, Grace Hwei Ching Tan, Sabrina Hui Xian Cheok, Chin-Ann Johnny Ong, Claramae Shulyn Chia, Melissa Ching Ching Teo
{"title":"Implications of peritoneal cancer index distribution on patients undergoing cytoreductive surgery and hyperthermic intraperitoneal chemotherapy.","authors":"Jolene Si Min Wong, Grace Hwei Ching Tan, Sabrina Hui Xian Cheok, Chin-Ann Johnny Ong, Claramae Shulyn Chia, Melissa Ching Ching Teo","doi":"10.1515/pp-2021-0150","DOIUrl":"https://doi.org/10.1515/pp-2021-0150","url":null,"abstract":"<p><strong>Objectives: </strong>Peritoneal cancer index (PCI) score is a common prognostication tool in peritoneal metastases (PM). We hypothesize that the distribution of PCI score and involvement of specific regions affects survival and morbidity outcomes.</p><p><strong>Methods: </strong>Data was collected from a prospective database of patients who underwent CRS and HIPEC for PM at the National Cancer Centre Singapore. We evaluate the relationship between PCI, PCI distribution, and survival and morbidity outcomes.</p><p><strong>Results: </strong>One hundred and fifty-two patients underwent CRS and HIPEC with a median PCI score of nine (range 0-31). Median overall survival (OS) and progression free survival (PFS) were 43 and 17 months, respectively. Region six (pelvis) was most commonly involved and had the highest frequency of heavy disease burden. Presence of PM in the lower abdomen, flanks, and small bowel were associated with poorer OS (p=0.01, 0.03, <0.001) and PFS (p=0.04, 0.02, <0.001). Involvement of porta hepatitis predicted poorer OS but not PFS (p=0.03). Involvement of the gastric antrum resulted in higher rates of postoperative complications.</p><p><strong>Conclusions: </strong>The pattern of PCI distribution may be associated with varying survival and morbidity outcomes.</p>","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"7 2","pages":"95-102"},"PeriodicalIF":1.8,"publicationDate":"2022-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9166179/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40489345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pleura and PeritoneumPub Date : 2022-04-21eCollection Date: 2022-06-01DOI: 10.1515/pp-2021-0154
Zhenyue Li, Louis Choon Kit Wong, Rehena Sultana, Hui Jun Lim, Joey Wee-Shan Tan, Qiu Xuan Tan, Jolene Si Min Wong, Claramae Shulyn Chia, Chin-Ann Johnny Ong
{"title":"A systematic review on quality of life (QoL) of patients with peritoneal metastasis (PM) who underwent pressurized intraperitoneal aerosol chemotherapy (PIPAC).","authors":"Zhenyue Li, Louis Choon Kit Wong, Rehena Sultana, Hui Jun Lim, Joey Wee-Shan Tan, Qiu Xuan Tan, Jolene Si Min Wong, Claramae Shulyn Chia, Chin-Ann Johnny Ong","doi":"10.1515/pp-2021-0154","DOIUrl":"https://doi.org/10.1515/pp-2021-0154","url":null,"abstract":"<p><strong>Background: </strong>Pressurized intraperitoneal aerosol chemotherapy (PIPAC) has recently emerged as a palliative alternative for patients with unresectable peritoneal metastasis (PM). Quality of life (QoL) has increasingly been used as an endpoint to evaluate treatment outcomes. This review aims to identify evidence on how PIPAC would impact the QoL of PM patients.</p><p><strong>Content: </strong>A systematic review was performed on articles identified from Medline, EMBASE, PsycInfo, and Web of Sciences. A meta-analysis was conducted on further selected studies. ACROBAT-NRSI was attempted to assess the risk of bias (RoB).</p><p><strong>Summary: </strong>Nine studies using the EORTC QLQ-C30 questionnaire to assess QoL after repeated PIPAC cycles were identified. Majority was found to be moderately biased and a great extent of heterogeneity was observed. Four studies on PM from either gastric cancer (GC) or epithelial ovarian cancer (EOC) were included for meta-analysis. In 31 GC patients and 104 EOC patients, QoL remained stable in 13/14 and 11/14 EORTC QLQ-C30 scales. PIPAC was inferior to cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) in global QoL and functioning but superior in symptom reduction.</p><p><strong>Outlook: </strong>PIPAC is a well-tolerated option for most GC and EOC patients with irresectable PM. Future trials are warranted to confirm the findings.</p>","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"7 2","pages":"39-49"},"PeriodicalIF":1.8,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9166188/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40507159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pleura and PeritoneumPub Date : 2022-04-13eCollection Date: 2022-06-01DOI: 10.1515/pp-2021-0151
Hubert Benoist, Clarisse Eveno, Sarah Wilson, Nicolas Vigneron, Jean-Marc Guilloit, Rémy Morello, Nicolas Simon, Pascal Odou, Guillaume Saint-Lorant
{"title":"Perception, knowledge and protective practices for surgical staff handling antineoplastic drugs during HIPEC and PIPAC.","authors":"Hubert Benoist, Clarisse Eveno, Sarah Wilson, Nicolas Vigneron, Jean-Marc Guilloit, Rémy Morello, Nicolas Simon, Pascal Odou, Guillaume Saint-Lorant","doi":"10.1515/pp-2021-0151","DOIUrl":"https://doi.org/10.1515/pp-2021-0151","url":null,"abstract":"<p><strong>Objectives: </strong>Two surgical techniques used for peritoneal metastasis involve a risk of exposure to antineoplastic drugs (ADs): hyperthermic intraperitoneal chemotherapy (HIPEC) and pressurized intraperitoneal aerosol chemotherapy (PIPAC). The objective of this study was to assess the differences in perception, training, and knowledge of the risks as well as in the protection practices and occupational exposures of all worker categories.</p><p><strong>Methods: </strong>This descriptive study, led in two hospitals from two distant French regions, was performed through a face-to-face interview and assessed the perception, knowledge and handling practices of ADs by a questionnaire consisting of 52 questions.</p><p><strong>Results: </strong>Fifty-one professionals participated in this survey. A total of 29.4% (n=15) professionals were afraid to handle ADs. Very few workers have been trained on handling ADs during initial training dedicated to all caregiver (5.9%; n=3). HIPEC is considered to involve a higher risk of exposure to ADs than PIPAC (81.6% (n=31) vs. 57.9% (n=22), respectively, p=0.022, agreement 65.8%). Protective equipment is considered to be less suitable for HIPEC than for PIPAC (29% (n=11) vs. 10.5% (n=4), respectively, p=0.016, agreement 81.6%). Concerning the potential AD contamination location, the participants identified a significant difference between these two practices. During HIPEC, 15.7% (n=6) of caregivers indicated that they had negative symptoms perceived in their practice vs. 2.6% (n=1) during PIPAC.</p><p><strong>Conclusions: </strong>This study shows that perception, knowledge and protection practices are different between HIPEC and PIPAC. It also shows a difference between the worker categories. In view of the difficulties in making operating room staff available, the related training programmes must have an adapted format.</p>","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"7 2","pages":"77-86"},"PeriodicalIF":1.8,"publicationDate":"2022-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9166181/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40507158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pleura and PeritoneumPub Date : 2022-04-04eCollection Date: 2022-06-01DOI: 10.1515/pp-2021-0148
Claramae Shulyn Chia, Chin-Ann Johnny Ong, Hong-Yuan Zhu, Cindy Lim, Jolene Si Min Wong, Grace Hwei Ching Tan, Melissa Ching Ching Teo
{"title":"Can baseline quality of life scores predict for morbidity and survival after CRS and HIPEC: a prospective study of 151 patients.","authors":"Claramae Shulyn Chia, Chin-Ann Johnny Ong, Hong-Yuan Zhu, Cindy Lim, Jolene Si Min Wong, Grace Hwei Ching Tan, Melissa Ching Ching Teo","doi":"10.1515/pp-2021-0148","DOIUrl":"https://doi.org/10.1515/pp-2021-0148","url":null,"abstract":"<p><strong>Objectives: </strong>Various studies have shown that good quality of life (QoL) can be achieved after cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). There is prognostic value of baseline QoL in post-operative outcome in Western setting. Our prospective study aims to validate these observations and elucidate clinical factors that predict poorer QoL in Asian peritoneal carcinomatosis patients.</p><p><strong>Methods: </strong>European Organization for Research and Treatment of Cancer Core Quality of Life Questionnaire was administered to patients before CRS and HIPEC and thereafter at 3, 6 and 12 months.</p><p><strong>Results: </strong>A total of 151 patients underwent 155 surgeries. Four hundred and seventy two questionnaires were completed. Median disease-free survival (DFS) was 16.5 months. Three year DFS and overall survival (OS) were 24.0% and 73.0% respectively. Post-operative global health status significantly increased at 3, 6 and 12 months. The decreases in functional scales recovered to baseline by 1-year post-surgery. Peritoneal carcinomatosis index (PCI), presence of stoma, peritonectomy duration, death within one year, post-operative complication and length of SICU stay negatively influenced QoL. Complication rates were higher in patients with lower global health status, physical and role functioning scores and higher symptom summary scores at baseline. Lower social functioning score, and higher pain, dyspnoea and symptom summary scores at baseline were significantly associated with poorer OS.</p><p><strong>Conclusions: </strong>Various clinical factors can help us predict a patient's QoL after surgery. Several baseline factors were also able to predict morbidity and survival. Going forward, we can use these factors to help us better select patients who will have a greater benefit from CRS and HIPEC.</p>","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"7 2","pages":"63-75"},"PeriodicalIF":1.8,"publicationDate":"2022-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9166269/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40507160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pleura and PeritoneumPub Date : 2022-03-15eCollection Date: 2022-06-01DOI: 10.1515/pp-2021-0152
Barbara Noiret, Guillaume Piessen, Clarisse Eveno
{"title":"Update of randomized controlled trials evaluating cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) in prevention and therapy of peritoneal metastasis: a systematic review.","authors":"Barbara Noiret, Guillaume Piessen, Clarisse Eveno","doi":"10.1515/pp-2021-0152","DOIUrl":"10.1515/pp-2021-0152","url":null,"abstract":"<p><strong>Background: </strong>Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) is associated with favorable short- and long-term oncological outcomes in highly selected patients with peritoneal metastasis (PM). The aim of our review was to review published, recruiting or ongoing randomized controlled trials (RCTs) evaluating CRS and HIPEC vs. other strategies (systemic chemotherapy or CRS alone) and to update the studies recently described in 2016.</p><p><strong>Content: </strong>Systematic review according to PRISMA guidelines. Searches for published and ongoing trials were based, respectively, on PubMed and international clinical databases since 2016.</p><p><strong>Summary: </strong>46 trials randomized 9,063 patients: 13 in colorectal cancer (3 in therapeutic strategy and 10 in prophylactic strategy), 16 in gastric cancer (4 in therapeutic strategy and 12 in prophylactic strategy) and 17 in ovarian cancer (12 in front-line therapy and 5 in recurrence settings).</p><p><strong>Outlook: </strong>In contrast to many recruiting studies, few published studies analyzed the potential advantage of CRS and HIPEC in therapeutic and prophylactic treatment of PM. The potential effect of this combined treatment has been proven in ovarian cancer in interval surgery, but remains still debated in other situations. Promising trials are currently recruiting to provide further evidence of the effectiveness of CRS and HIPEC.</p>","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"7 2","pages":"51-61"},"PeriodicalIF":1.4,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9166620/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40489343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stefano Rotolo, A. di Giorgio, M. Cintoni, E. Rinninella, M. Palombaro, G. Pulcini, C. Schena, V. Chiantera, G. Vizzielli, A. Gasbarrini, F. Pacelli, M. C. Mele
{"title":"Body composition and immunonutritional status in patients treated with pressurized intraperitoneal aerosol chemotherapy (PIPAC) for gastrointestinal peritoneal metastases: a prospective single-center analysis","authors":"Stefano Rotolo, A. di Giorgio, M. Cintoni, E. Rinninella, M. Palombaro, G. Pulcini, C. Schena, V. Chiantera, G. Vizzielli, A. Gasbarrini, F. Pacelli, M. C. Mele","doi":"10.1515/pp-2021-0142","DOIUrl":"https://doi.org/10.1515/pp-2021-0142","url":null,"abstract":"Abstract Objectives Pressurized intraperitoneal aerosol chemotherapy (PIPAC) is a novel drug administration method with promising efficacy for the treatment of peritoneal metastases (PM). This study aimed to evaluate the prognostic value of an immunonutritional assessment on the feasibility, safety, and survival in this setting. Methods Data of PM patients undergoing PIPAC between September 2018 and May 2020 were prospectively recorded. A CT scan-derived body composition assessment was performed for each patient. Results Fifty-one patients were enrolled, of which 30 (58%) underwent multiple PIPAC cycles, with a pathological response rate of 55%. Prognostic nutritional index (PNI) and neutrophil-to-lymphocytes predicted completion of more than one PIPAC cycle, with a cut off of 36.5 and 4.8 respectively. Muscle attenuation and body fat tissues were associated with pathological response. At multivariate Cox regression analysis, only the presence of a low PNI (HR 2.41, 95% CI 1.08–5.46) was significantly associated with a worse OS. Conclusions A pretreatment immunonutritional assessment may provide valuable information for PIPAC patients’ selection and survival, while body composition parameters are able to predict pathological response. Further larger studies are needed to validate the role of these biomarkers in tailoring the treatment and monitoring PM patients undergoing PIPAC.","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"16 1","pages":"9 - 17"},"PeriodicalIF":1.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80815885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
O. Sgarbura, C. Eveno, M. Alyami, Naoual Bakrin, D. C. Guiral, W. Ceelen, X. Delgadillo, T. Dellinger, A. di Giorgio, A. Kefleyesus, V. Khomiakov, M. Mortensen, J. Murphy, M. Pocard, M. Reymond, M. Robella, K. Rovers, J. So, S. P. Somashekhar, C. Tempfer, K. van der Speeten, L. Villeneuve, W. Yong, M. Hübner
{"title":"Consensus statement for treatment protocols in pressurized intraperitoneal aerosol chemotherapy (PIPAC)","authors":"O. Sgarbura, C. Eveno, M. Alyami, Naoual Bakrin, D. C. Guiral, W. Ceelen, X. Delgadillo, T. Dellinger, A. di Giorgio, A. Kefleyesus, V. Khomiakov, M. Mortensen, J. Murphy, M. Pocard, M. Reymond, M. Robella, K. Rovers, J. So, S. P. Somashekhar, C. Tempfer, K. van der Speeten, L. Villeneuve, W. Yong, M. Hübner","doi":"10.1515/pp-2022-0102","DOIUrl":"https://doi.org/10.1515/pp-2022-0102","url":null,"abstract":"Abstract Objectives Safe implementation and thorough evaluation of new treatments require prospective data monitoring and standardization of treatments. Pressurized intraperitoneal aerosol chemotherapy (PIPAC) is a promising alternative for the treatment of patients with peritoneal disease with an increasing number of suggested drug regimens. The aim was to reach expert consensus on current PIPAC treatment protocols and to define the most important research topics. Methods The expert panel included the most active PIPAC centers, organizers of PIPAC courses and principal investigators of prospective studies on PIPAC. A comprehensive literature review served as base for a two-day hybrid consensus meeting which was accompanied by a modified three-round Delphi process. Consensus bar was set at 70% for combined (strong and weak) positive or negative votes according to GRADE. Research questions were prioritized from 0 to 10 (highest importance). Results Twenty-two out of 26 invited experts completed the entire consensus process. Consensus was reached for 10/10 final questions. The combination of doxorubicin (2.1 mg/m2) and cisplatin (10.5 mg/m2) was endorsed by 20/22 experts (90.9%). 16/22 (72.7%) supported oxaliplatin at 120 with potential reduction to 90 mg/m2 (frail patients), and 77.2% suggested PIPAC-Ox in combination with 5-FU. Mitomycin-C and Nab-paclitaxel were favoured as alternative regimens. The most important research questions concerned PIPAC conditions (n=3), standard (n=4) and alternative regimens (n=5) and efficacy of PIPAC treatment (n=2); 8/14 were given a priority of ≥8/10. Conclusions The current consensus should help to limit heterogeneity of treatment protocols but underlines the utmost importance of further research.","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"43 1","pages":"1 - 7"},"PeriodicalIF":1.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87877823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Bielsa, A. Guitart, A. Esquerda, R. Fernandez-Pacheco, M. Baranguán, A. Ibarra, J. Porcel
{"title":"Some pleural effusions labeled as idiopathic could be produced by the inhalation of silica","authors":"S. Bielsa, A. Guitart, A. Esquerda, R. Fernandez-Pacheco, M. Baranguán, A. Ibarra, J. Porcel","doi":"10.1515/pp-2021-0135","DOIUrl":"https://doi.org/10.1515/pp-2021-0135","url":null,"abstract":"Abstract Objectives Exposure to silica nanoparticles has been associated with pleural effusions (PEs) in animal models and case series. We hypothesized that some PEs labelled as “idiopathic” could, in fact, be secondary to inhalation of silica. Methods A retrospective case control study was designed utilizing a prospectively maintained pleural database. Cases, represented by idiopathic PEs, were matched by age and gender to control patients who had been diagnosed with malignant, cardiac, or infectious PEs. A survey consisting of questions about occupational life and possibility of silica inhalation was conducted. In a subgroup of patients, pleural fluid concentrations of silica were quantified by plasma atomic emission spectrometry analysis. Also, the pleural biopsy of a silica-exposed case was subjected to an energy dispersive X-ray spectroscopy (EDX) to identify the mineral, the size of which was determined by electron microscopy. Results A total of 118 patients (59 cases and 59 controls) completed the survey. There were 25 (42%, 95% CI 31–55%) and 13 (22%, 95% CI 13–34%) silica-exposed workers in case and control groups, respectively. The exposure attributable fraction was 0.62 (95% CI 0.14–0.83). Four of eight exposed cases showed detectable levels of silica in the pleural fluid (mean 2.37 mg/L), as compared to none of 16 tested controls. Silica nanoparticles of 6–7 nm were identified in the pleural biopsy of an exposed case patient. Conclusions It is plausible that some idiopathic PEs could actually be caused by occupational silica inhalation.","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"26 7","pages":"27 - 33"},"PeriodicalIF":1.8,"publicationDate":"2022-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72373903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Characteristics of early pleural effusions after orthotopic heart transplantation: comparison with coronary artery bypass graft surgery.","authors":"Anant Jain, Anusha Devarajan, Hussein Assallum, Ramin Malekan, Gregg M Lanier, Oleg Epelbaum","doi":"10.1515/pp-2021-0143","DOIUrl":"https://doi.org/10.1515/pp-2021-0143","url":null,"abstract":"<p><strong>Objectives: </strong>Pleural effusions appearing within the first 30 postoperative days following coronary artery bypass grafting (CABG) are classified as early and believed to be directly related to the surgery. The characteristics of such effusions are well-described. Orthotopic heart transplantation is also known to be complicated by pleural effusions; however, their characteristics have not been systematically reported. We assessed the features of early postoperative pleural effusions after heart transplantation and compared them to those of early effusions following CABG.</p><p><strong>Methods: </strong>We retrospectively collected demographic, clinical, and laboratory data for patients who underwent either orthotopic heart transplantation (study group) or CABG (comparison group) at our institution and whose postoperative course within 30 days was complicated by new or worsening pleural effusion that prompted drainage. Patients subjected to analysis consisted only of those with sufficiently complete laboratory profiles to permit adequate characterization of the nature of their pleural fluid.</p><p><strong>Results: </strong>Out of 251 orthotopic heart transplant recipients, seven (2.8%) were found to have sufficiently complete pleural fluid results to be included in the study group. Out of 1,506 patients who underwent CABG, 32 (2.1%) had sufficiently complete pleural fluid results and formed the comparison group. The radiological appearance of pleural effusions in both groups was similar: bilateral in at least half and exclusively moderate to large. Effusions complicating both surgeries were exudative in close to 90% of cases. For those with available leukocyte differential counts, the pleural fluid of the post-orthotopic heart transplantation group was more often neutrophilic (3/5, 60%), whereas the fluid of the post-coronary artery bypass grafting group was more often lymphocytic (22/32, 69%) and tended to be hemorrhagic (median RBC count 33,000 cells/µL vs. 10,000 cells/µL). None of the comparisons of pleural fluid characteristics between the two groups reached statistical significance.</p><p><strong>Conclusions: </strong>This small, descriptive study is the first to systematically report the fluid characteristics of pleural effusions complicating orthotopic heart transplantation within the first 30 postoperative days and to compare this group to those who developed effusions after CABG. Our findings revealed both similarities and differences in the pleural fluid characteristics between these two types of patients.</p>","PeriodicalId":20231,"journal":{"name":"Pleura and Peritoneum","volume":"6 4","pages":"161-165"},"PeriodicalIF":1.8,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8719445/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39962923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}