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Pilakouta Depaskouale MA, Archonta SA, Katsaros DM, Paidakakos NA, Dimakopoulou AN, Matsota PK. Beyond the debut: unpacking six years of Hypotension Prediction Index software in intraoperative hypotension prevention - a systematic review and meta-analysis. J Clin Monit Comput 2024:10.1007/s10877-024-01202-w. [PMID: 39048785 DOI: 10.1007/s10877-024-01202-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 07/16/2024] [Indexed: 07/27/2024]
Abstract
PURPOSE Intraoperative hypotension (IOH) during general anesthesia is associated with higher morbidity and mortality, although randomized trials have not established a causal relation. Historically, our approach to IOH has been reactive. The Hypotension Prediction Index (HPI) is a machine learning software that predicts hypotension minutes in advance. This systematic review and meta-analysis explores whether using HPI alongside a personalized treatment protocol decreases intraoperative hypotension. METHODS A systematic search was performed in Pubmed and Scopus to retrieve articles published from January 2018 to February 2024 regarding the impact of the HPI software on reducing IOH in adult patients undergoing non-cardio/thoracic surgery. Excluded were case series, case reports, meta-analyses, systematic reviews, and studies using non-invasive arterial waveform analysis. The risk of bias was assessed by the Cochrane risk-of-bias tool (RoB 2) and the Risk Of Bias In Non-randomised Studies (ROBINS-I). A meta-analysis was undertaken solely for outcomes where sufficient data were available from the included studies. RESULTS 9 RCTs and 5 cohort studies were retrieved. The overall median differences between the HPI-guided and the control groups were - 0.21 (95% CI:-0.33, -0.09) - p < 0.001 for the Time-Weighted Average (TWA) of Mean Arterial Pressure (MAP) < 65mmHg, -3.71 (95% CI= -6.67, -0.74)-p = 0.014 for the incidence of hypotensive episodes per patient, and - 10.11 (95% CI= -15.82, -4.40)-p = 0.001 for the duration of hypotension. Notably a large amount of heterogeneity was detected among the studies. CONCLUSIONS While the combination of HPI software with personalized treatment protocols may prevent intraoperative hypotension (IOH), the large heterogeneity among the studies and the lack of reliable data on its clinical significance necessitate further investigation.
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Affiliation(s)
- Myrto A Pilakouta Depaskouale
- 2nd Department of Anesthesiology, School of Medicine, National and Kapodistrian University of Athens, "Attikon" Hospital, 1 Rimini Street, Athens, 12462, Greece.
- Department of Anesthesiology, Athens General Hospital "Georgios Gennimatas", 154 Mesogion Avenue, Athens, 11527, Greece.
| | - Stela A Archonta
- Department of Anesthesiology, Athens General Hospital "Georgios Gennimatas", 154 Mesogion Avenue, Athens, 11527, Greece
| | - Dimitrios M Katsaros
- Department of Anesthesiology, Athens General Hospital "Georgios Gennimatas", 154 Mesogion Avenue, Athens, 11527, Greece
| | - Nikolaos A Paidakakos
- Department of Neurosurgery, Athens General Hospital "Georgios Gennimatas", 154 Mesogion Avenue, Athens, 11527, Greece
| | - Antonia N Dimakopoulou
- Department of Anesthesiology, Athens General Hospital "Georgios Gennimatas", 154 Mesogion Avenue, Athens, 11527, Greece
| | - Paraskevi K Matsota
- 2nd Department of Anesthesiology, School of Medicine, National and Kapodistrian University of Athens, "Attikon" Hospital, 1 Rimini Street, Athens, 12462, Greece
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Leenen JP, Schoonhoven L, Patijn GA. Wearable wireless continuous vital signs monitoring on the general ward. Curr Opin Crit Care 2024; 30:275-282. [PMID: 38690957 DOI: 10.1097/mcc.0000000000001160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
PURPOSE OF REVIEW Wearable wireless sensors for continuous vital signs monitoring (CVSM) offer the potential for early identification of patient deterioration, especially in low-intensity care settings like general wards. This study aims to review advances in wearable CVSM - with a focus on the general ward - highlighting the technological characteristics of CVSM systems, user perspectives and impact on patient outcomes by exploring recent evidence. RECENT FINDINGS The accuracy of wearable sensors measuring vital signs exhibits variability, especially notable in ambulatory patients within hospital settings, and standard validation protocols are lacking. Usability of CMVS systems is critical for nurses and patients, highlighting the need for easy-to-use wearable sensors, and expansion of the number of measured vital signs. Current software systems lack integration with hospital IT infrastructures and workflow automation. Imperative enhancements involve nurse-friendly, less intrusive alarm strategies, and advanced decision support systems. Despite observed reductions in ICU admissions and Rapid Response Team calls, the impact on patient outcomes lacks robust statistical significance. SUMMARY Widespread implementation of CVSM systems on the general ward and potentially outside the hospital seems inevitable. Despite the theoretical benefits of CVSM systems in improving clinical outcomes, and supporting nursing care by optimizing clinical workflow efficiency, the demonstrated effects in clinical practice are mixed. This review highlights the existing challenges related to data quality, usability, implementation, integration, interpretation, and user perspectives, as well as the need for robust evidence to support their impact on patient outcomes, workflow and cost-effectiveness.
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Affiliation(s)
- Jobbe Pl Leenen
- Connected Care Centre, Isala, Zwolle
- Research Group IT Innovations in Healthcare, Windesheim University of Applied Sciences, Zwolle
| | - Lisette Schoonhoven
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
- School of Health Sciences, Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK
| | - Gijs A Patijn
- Connected Care Centre, Isala, Zwolle
- Department of Surgery, Isala, Zwolle, The Netherlands
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Liu A, Shi Y. Analysis of Adverse Events in the Postanesthesia Unit at a Tertiary Pediatric Hospital. J Perianesth Nurs 2024:S1089-9472(23)01068-7. [PMID: 38416105 DOI: 10.1016/j.jopan.2023.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 11/13/2023] [Accepted: 12/02/2023] [Indexed: 02/29/2024]
Abstract
PURPOSE The postanesthesia care unit (PACU) is an indispensable part of modern medicine which provides critical care to patients to ensure safe and smooth emergence from anesthesia. The adverse events in the PACU have been widely investigated in adults. However, little is known about the adverse events in pediatric populations. This study was designed to investigate adverse events, including the incidence, disease spectrum, and possible risk factors, in pediatric patients in the PACU at a tertiary pediatric hospital. DESIGN This is a retrospective observational study. METHODS Children admitted to the PACU at the Children's Hospital of Fudan University from September 2021 to August 2022 were included in the study. The following adverse events were recorded: hypothermia, fever, adverse airway events, hypotension, hypertension, prolonged length of stay in PACU, pain, reintubation, neurological events, unplanned admission to the intensive care unit, arrhythmia, water-electrolyte imbalance, and bleeding requiring medical intervention. Descriptive analyses, t tests, and χ2 tests were performed. FINDINGS A total of 16,012 children were included in the study, and 305 adverse events occurred in 237 (1.48%) children. The three most frequently occurring adverse events were prolonged stay in the PACU (8.4%), adverse airway events (5.6%), and abnormal temperature (2.7%). Age, American Society of Anesthesiologists' grade, and general surgery were independent risk factors of both overall adverse events and prolonged stay in the PACU in multivariate logistic regression analysis. Children with adverse events stayed in the PACU significantly longer than those without adverse events (60.04 ± 1.01 vs 95.8 ± 47.25 minutes, P < .05). Compared with the other surgeries, a significantly higher proportion of severe pain (37.5% vs 0%) after thoracic surgery, prolonged stay in the PACU (52.9% vs 36.4%) after general surgery, and neurological events (14.7% vs 0%) after neurological surgery was detected, while a significantly lower proportion of adverse airway events after general surgery (21.1% vs 43%) and neurological surgery (8.8% vs 43%) was detected, respectively. CONCLUSIONS Our study reports the current incidence and spectrum of adverse events in the PACU at a tertiary pediatric hospital. Patients with young age, high American Society of Anesthesiologists' grade, and those from the general surgery department are at a significantly increased risk of adverse events in the PACU. Significant differences were detected in the proportion of specific adverse events after specific surgeries.
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Affiliation(s)
- Aihua Liu
- Department of anesthesia, Post anesthesia care unit, Children's Hospital of Fudan University, Shanghai, China
| | - Yun Shi
- Department of anesthesia, Children's Hospital of Fudan University, Shanghai, China.
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Bello C, Luedi MM. Postoperative intrahospital monitoring: Transforming the danger zone. J Clin Anesth 2024; 92:111183. [PMID: 37328311 DOI: 10.1016/j.jclinane.2023.111183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/18/2023]
Affiliation(s)
- Corina Bello
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Markus M Luedi
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
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Rajkumar KP, Hicks MH, Marchant B, Khanna AK. Blood Pressure Goals in Critically Ill Patients. Methodist Debakey Cardiovasc J 2023; 19:24-37. [PMID: 37547901 PMCID: PMC10402811 DOI: 10.14797/mdcvj.1260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 06/08/2023] [Indexed: 08/08/2023] Open
Abstract
Blood pressure goals in the intensive care unit (ICU) have been extensively investigated in large datasets and have been associated with various harm thresholds at or greater than a mean pressure of 65 mm Hg. While it is difficult to perform interventional randomized trials of blood pressure in the ICU, important evidence does not support defense of a higher pressure, except in retrospective database analyses. Perfusion pressure may be a more important target than mean pressure, even more so in the vulnerable patient population. In the cardiac ICU, blood pressure targets are tailored to specific cardiac pathophysiology and patient characteristics. Generally, the goal is to maintain adequate blood pressure within a certain range to support cardiac function and to ensure end organ perfusion. Individualized targets demand the use of both invasive and noninvasive monitoring modalities and frequent titration of medications and/or mechanical circulatory support where necessary. In this review, we aim to identify appropriate blood pressure targets in the ICU, recognizing special patient populations and outlining the risk factors and predictors of end organ failure.
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Affiliation(s)
- Karuna Puttur Rajkumar
- Wake Forest University School of Medicine, Atrium Health Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, US
| | - Megan Henley Hicks
- Wake Forest University School of Medicine, Atrium Health Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, US
| | - Bryan Marchant
- Wake Forest University School of Medicine, Atrium Health Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, US
| | - Ashish K. Khanna
- Wake Forest University School of Medicine, Atrium Health Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, US
- Outcomes Research Consortium, Cleveland, Ohio, US
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Wells CI, Xu W, Penfold JA, Keane C, Gharibans AA, Bissett IP, O’Grady G. OUP accepted manuscript. BJS Open 2022; 6:6564495. [PMID: 35388891 PMCID: PMC8988014 DOI: 10.1093/bjsopen/zrac031] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/03/2022] [Accepted: 02/13/2022] [Indexed: 11/28/2022] Open
Abstract
Background Wearable devices have been proposed as a novel method for monitoring patients after surgery to track recovery, identify complications early, and improve surgical safety. Previous studies have used a heterogeneous range of devices, methods, and analyses. This review aimed to examine current methods and wearable devices used for monitoring after abdominal surgery and identify knowledge gaps requiring further investigation. Methods A scoping review was conducted given the heterogeneous nature of the evidence. MEDLINE, EMBASE, and Scopus databases were systematically searched. Studies of wearable devices for monitoring of adult patients within 30 days after abdominal surgery were eligible for inclusion. Results A total of 78 articles from 65 study cohorts, with 5153 patients were included. Thirty-one different wearable devices were used to measure vital signs, physiological measurements, or physical activity. The duration of postoperative wearable device use ranged from 15 h to 3 months after surgery. Studies mostly focused on physical activity metrics (71.8 per cent). Continuous vital sign measurement and physical activity tracking both showed promise for detecting postoperative complications earlier than usual care, but conclusions were limited by poor device precision, adherence, occurrence of false alarms, data transmission problems, and retrospective data analysis. Devices were generally well accepted by patients, with high levels of acceptance, comfort, and safety. Conclusion Wearable technology has not yet realized its potential to improve postoperative monitoring. Further work is needed to overcome technical limitations, improve precision, and reduce false alarms. Prospective assessment of efficacy, using an intention-to-treat approach should be the focus of further studies.
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Affiliation(s)
- Cameron I. Wells
- Correspondence to: Cameron Wells, Department of Surgery, University of Auckland, Private Bag 92019, Auckland Mail Centre 1142, New Zealand (e-mail:)
| | - William Xu
- Department of Surgery, The University of Auckland, Auckland, New Zealand
| | - James A. Penfold
- Department of Surgery, The University of Auckland, Auckland, New Zealand
| | - Celia Keane
- Department of Surgery, The University of Auckland, Auckland, New Zealand
| | - Armen A. Gharibans
- Department of Surgery, The University of Auckland, Auckland, New Zealand
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
| | - Ian P. Bissett
- Department of Surgery, The University of Auckland, Auckland, New Zealand
- Department of Surgery, Auckland District Health Board, Auckland, New Zealand
| | - Greg O’Grady
- Department of Surgery, The University of Auckland, Auckland, New Zealand
- Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand
- Department of Surgery, Auckland District Health Board, Auckland, New Zealand
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