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Bodys-Pełka A, Kusztal M, Boszko M, Główczyńska R, Grabowski M. Non-Invasive Continuous Measurement of Haemodynamic Parameters-Clinical Utility. J Clin Med 2021; 10:jcm10214929. [PMID: 34768449 PMCID: PMC8584279 DOI: 10.3390/jcm10214929] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 10/15/2021] [Accepted: 10/20/2021] [Indexed: 11/16/2022] Open
Abstract
The evaluation and monitoring of patients’ haemodynamic parameters are essential in everyday clinical practice. The application of continuous, non-invasive measurement methods is a relatively recent solution. CNAP, ClearSight and many other technologies have been introduced to the market. The use of these techniques for assessing patient eligibility before cardiac procedures, as well as for intraoperative monitoring is currently being widely investigated. Their numerous advantages, including the simplicity of application, time- and cost-effectiveness, and the limited risk of infection, could enforce their further development and potential utility. However, some limitations and contradictions should also be discussed. The aim of this paper is to briefly describe the new findings, give practical examples of the clinical utility of these methods, compare them with invasive techniques, and review the literature on this subject.
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Affiliation(s)
- Aleksandra Bodys-Pełka
- 1st Department of Cardiology, Medical University of Warsaw, 02-097 Warsaw, Poland; (A.B.-P.); (M.K.); (M.B.); (M.G.)
- Doctoral School, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Maciej Kusztal
- 1st Department of Cardiology, Medical University of Warsaw, 02-097 Warsaw, Poland; (A.B.-P.); (M.K.); (M.B.); (M.G.)
| | - Maria Boszko
- 1st Department of Cardiology, Medical University of Warsaw, 02-097 Warsaw, Poland; (A.B.-P.); (M.K.); (M.B.); (M.G.)
| | - Renata Główczyńska
- 1st Department of Cardiology, Medical University of Warsaw, 02-097 Warsaw, Poland; (A.B.-P.); (M.K.); (M.B.); (M.G.)
- Correspondence: ; Tel.: +48-5992-616
| | - Marcin Grabowski
- 1st Department of Cardiology, Medical University of Warsaw, 02-097 Warsaw, Poland; (A.B.-P.); (M.K.); (M.B.); (M.G.)
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Eley VA, Christensen R, Guy L, Dodd B. Perioperative Blood Pressure Monitoring in Patients With Obesity. Anesth Analg 2019; 128:484-491. [PMID: 30059399 DOI: 10.1213/ane.0000000000003647] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Blood pressure monitoring plays a key part in the preoperative, intraoperative, and postoperative care of all patients. In patients with obesity, hypertension indicates increased metabolic and surgical risk and may signal the presence of significant medical comorbidities, including obstructive sleep apnea. Avoidance of hypertension postoperatively is necessary to minimize bleeding risk after surgery. Hypotension in the postoperative period may be the first sign of significant complications that require urgent management. With the problem of being overweight or obese now affecting two-thirds of adults in Western countries, the proportion of patients with obesity in perioperative environments is similarly increasing. Detection of aberrations in blood pressure is contingent on the accuracy of blood pressure measurement methods. Patients with obesity tend to have a large arm circumference and "cone-shaped arms." Standard blood pressure cuffs fit such patients poorly, and this compromises the accuracy of measurements. Alternatives to arm blood pressure cuffs, some made specifically for individuals with obesity, have been evaluated but are not widely available to clinicians. This focused narrative review will discuss the relevance of hypertension management in the care of patients with obesity, highlight the currently available methods for perioperative monitoring of blood pressure, and explore the opportunities that exist to improve the perioperative blood pressure care in patients with obesity undergoing surgical procedures.
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Affiliation(s)
- Victoria A Eley
- From the Department of Anaesthesia and Perioperative Medicine, The Royal Brisbane and Women's Hospital, Herston, Queensland, Australia.,Faculty of Medicine, The University of Queensland, St Lucia, Queensland, Australia
| | - Rebecca Christensen
- From the Department of Anaesthesia and Perioperative Medicine, The Royal Brisbane and Women's Hospital, Herston, Queensland, Australia.,Faculty of Medicine, The University of Queensland, St Lucia, Queensland, Australia
| | - Louis Guy
- From the Department of Anaesthesia and Perioperative Medicine, The Royal Brisbane and Women's Hospital, Herston, Queensland, Australia.,Faculty of Medicine, The University of Queensland, St Lucia, Queensland, Australia
| | - Benjamin Dodd
- Faculty of Medicine, The University of Queensland, St Lucia, Queensland, Australia.,Department of Surgery, The Royal Brisbane and Women's Hospital, Herston, Queensland, Australia
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Højlund J, Agerskov M, Clemmesen CG, Hvolris LE, Foss NB. The Peripheral Perfusion Index tracks systemic haemodynamics during general anaesthesia. J Clin Monit Comput 2019; 34:1177-1184. [DOI: 10.1007/s10877-019-00420-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 11/04/2019] [Indexed: 01/09/2023]
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Xu C, Liu S, Qian D, Liu A, Liu C, Chen Y, Qi D. Preventive intramuscular phenylephrine in elective cesarean section under spinal anesthesia: A randomized controlled trial. Int J Surg 2019; 62:5-11. [PMID: 30639574 DOI: 10.1016/j.ijsu.2018.12.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 12/02/2018] [Accepted: 12/20/2018] [Indexed: 11/17/2022]
Abstract
BACKGROUND Phenylephrine is the first-line vasoactive drug in the cesarean section under spinal anesthesia. The rate of hypotension remains high after intravenous preventive use of phenylephrine. However, few studies have investigated the effect of preventive intramuscular phenylephrine via a longer period of usage on fetal and maternal outcomes. METHODS A total of 99 healthy parturients undergoing elective cesarean delivery were randomly allocated into three groups: M group (preventive intramuscular use of 5 mg phenylephrine), V group (preventive intravenous use of 100 μg phenylephrine), and P group (0.9% normal saline placebo). Rescue phenylephrine, ephedrine and atropine were used intraoperatively to adjust blood pressure and heart rate. The primary outcome was umbilical artery pH. RESULTS Significant differences in umbilical artery pH (M group: 7.32 ± 0.05 versus V group: 7.25 ± 0.04 versus P group: 7.21 ± 0.03, P < 0.05), fetal acidosis (M group: 3% [n = 33] versus V group: 15% [n = 33] versus P group: 30% [n = 33], P = 0.01) and maternal intraoperative hypotension (M group: 12% [33] versus V group: 39% [33] versus P group: 73% [33], P < 0.0001) were identified among the groups. Multiple linear regression analysis demonstrated that treating arms, neonatal birthweight and the interval from the end of anesthesia to baby delivery were associated with umbilical artery pH. CONCLUSION Compared with the preventive intravenous use of phenylephrine and placebo, preventive intramuscular phenylephrine exhibited a better neonatal acid-base status and more stable maternal hemodynamics in elective cesarean under spinal anesthesia.
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Affiliation(s)
- Chao Xu
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, 209 Tongshan, Xuzhou, Jangsu, China; Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical, University, No.99 Huaihai West Road, Xuzhou, Jangsu, China
| | - Su Liu
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, 209 Tongshan, Xuzhou, Jangsu, China; Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical, University, No.99 Huaihai West Road, Xuzhou, Jangsu, China
| | - Dongchen Qian
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, 209 Tongshan, Xuzhou, Jangsu, China; Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical, University, No.99 Huaihai West Road, Xuzhou, Jangsu, China
| | - Aohua Liu
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, 209 Tongshan, Xuzhou, Jangsu, China; Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical, University, No.99 Huaihai West Road, Xuzhou, Jangsu, China
| | - Chang Liu
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, 209 Tongshan, Xuzhou, Jangsu, China; Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical, University, No.99 Huaihai West Road, Xuzhou, Jangsu, China
| | - Yajie Chen
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, 209 Tongshan, Xuzhou, Jangsu, China; Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical, University, No.99 Huaihai West Road, Xuzhou, Jangsu, China
| | - Dunyi Qi
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, 209 Tongshan, Xuzhou, Jangsu, China; Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical, University, No.99 Huaihai West Road, Xuzhou, Jangsu, China.
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Eley VA, Roberts L, Rickards L, Pelecanos A, Blackie A, Zhang C, Christensen R, Barrett HL. Arm and finger measurements in the third trimester: Implications for blood pressure measurement. Pregnancy Hypertens 2018; 14:105-109. [PMID: 30527095 DOI: 10.1016/j.preghy.2018.09.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 07/21/2018] [Accepted: 09/04/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVES To obtain arm and finger measurements of women ≥32 weeks gestation to determine: the requirement for different arm cuff sizes; the suitability of available finger cuffs in this population; the best predictor of arm conicity; the frequency of cuff placement on the forearm or leg. STUDY DESIGN Prospective observational pilot study. MAIN OUTCOME MEASURES Right and left mid-arm circumference (MAC) and to compare these to the recommended cuff sizes; right and left finger circumference; right and left arm conicity; the responses of women to a three-point Likert scale regarding cuff placement. RESULTS Measurements were obtained for 450 women at an Australian tertiary hospital with a median (IQR) gestation of 35.7 (34.0-37.0); 299 (66.4%) were Caucasian and 35 (7.8%) had gestational hypertension. The median (IQR) body mass index (BMI) was 29.6 kg/m2 (26.2-33.4), range 18.0-62.2. Median (IQR) right MAC was 29.9 cm (27.4-33), range 19.6-53.2. Based on right MAC, 58 (12.9%) required a large cuff and 6 (1.3%) a thigh cuff. Maximum right finger circumference was 7.0 cm. BMI, weight and right MAC were positively correlated with right arm conicity: r = 0.51, 0.42 and 0.45, p < 0.001 for all. R2 for each were 0.26, 0.17 and 0.20. Fourteen (3.1%) reported cuff placement on the forearm or leg. CONCLUSIONS A small percentage of women are likely to be unsuited to traditional arm cuffs. Available finger-cuffs would suit this population. BMI could potentially be used to select women with cone-shaped arms for future studies of alternative devices.
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Affiliation(s)
- Victoria A Eley
- The Royal Brisbane and Women's Hospital, Butterfield St, Herston, 4006 Queensland, Australia; The University of Queensland, St Lucia 4067, Queensland, Australia.
| | - Leonie Roberts
- The Royal Brisbane and Women's Hospital, Butterfield St, Herston, 4006 Queensland, Australia; The University of Queensland, St Lucia 4067, Queensland, Australia
| | - Leah Rickards
- The Royal Brisbane and Women's Hospital, Butterfield St, Herston, 4006 Queensland, Australia
| | - Anita Pelecanos
- QIMR Berghofer Medical Research Institute, Herston Rd, Herston, 4006 Queensland, Australia
| | - Annika Blackie
- The University of Queensland, St Lucia 4067, Queensland, Australia
| | - Chu Zhang
- The University of Queensland, St Lucia 4067, Queensland, Australia
| | - Rebecca Christensen
- The Royal Brisbane and Women's Hospital, Butterfield St, Herston, 4006 Queensland, Australia; The University of Queensland, St Lucia 4067, Queensland, Australia
| | - Helen L Barrett
- The Royal Brisbane and Women's Hospital, Butterfield St, Herston, 4006 Queensland, Australia; The University of Queensland, St Lucia 4067, Queensland, Australia
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Eley VA, Christensen R, Kumar S, Callaway LK. A review of blood pressure measurement in obese pregnant women. Int J Obstet Anesth 2018; 35:64-74. [PMID: 29954650 DOI: 10.1016/j.ijoa.2018.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 03/27/2018] [Accepted: 04/15/2018] [Indexed: 10/17/2022]
Abstract
Blood pressure monitoring is a critical component of antenatal, peripartum and postnatal care. The accurate detection and treatment of abnormal blood pressure during pregnancy is essential for the optimisation of maternal and neonatal outcomes. Increasing maternal obesity in western populations is well documented. The presence of a large arm circumference in obese pregnant women may lead to difficult and inaccurate blood pressure measurements. Difficulties measuring blood pressure in non-pregnant obese patients are well described. In the literature, the problem is uncommonly mentioned in relation to pregnant patients. This topic review will discuss the importance and challenges of blood pressure measurement in pregnancy. The currently available equipment for blood pressure monitoring in pregnancy will be identified and the process of validating devices described. The limitations of the current validation protocols in pregnancy will be highlighted. It is concluded that a pregnancy-specific validation protocol is required: this would facilitate the introduction of new technology for use in high-risk pregnant women. More accurate blood pressure measurement has the potential to improve the diagnosis and management of abnormal blood pressure in pregnancy and influence maternal and neonatal outcomes.
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Affiliation(s)
- V A Eley
- Department of Anaesthesia and Perioperative Medicine, The Royal Brisbane and Women's Hospital, Butterfield St Herston, 2006 Queensland, Australia; The University of Queensland, Faculty of Medicine, Herston Road, Herston 4006, Queensland, Australia.
| | - R Christensen
- Department of Anaesthesia and Perioperative Medicine, The Royal Brisbane and Women's Hospital, Butterfield St Herston, 2006 Queensland, Australia; The University of Queensland, Faculty of Medicine, Herston Road, Herston 4006, Queensland, Australia
| | - S Kumar
- The University of Queensland, Faculty of Medicine, Herston Road, Herston 4006, Queensland, Australia; Mater Research Institute and Department of Maternal Fetal Medicine, The Mater Mothers' Hospital, Raymond Terrace, South Brisbane, 4101 Queensland, Australia
| | - L K Callaway
- The University of Queensland, Faculty of Medicine, Herston Road, Herston 4006, Queensland, Australia; Department of Obstetrics and Gynaecology/Obstetric Medicine, The Royal Brisbane and Women's Hospital, Butterfield St Herston, 2006 Queensland, Australia
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Raggi EP, Sakai T. Update on Finger-Application-Type Noninvasive Continuous Hemodynamic Monitors (CNAP and ccNexfin): Physical Principles, Validation, and Clinical Use. Semin Cardiothorac Vasc Anesth 2017; 21:321-329. [DOI: 10.1177/1089253217708620] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The CNAP HD Monitor (CNSystems, Graz, Austria) and the ccNexfin (The ClearSight System: Edwards Lifesciences Corporation, Irvine, CA) are continuous, noninvasive blood pressure monitors using a finger-application device. These devices show a promising ability to allow for rapid detection of hemodynamic derangement when compared with oscillometry. The accuracy and precision of these devices as blood pressure monitors has been evaluated when compared with intra-arterial catheters. Additionally, they can be used to measure beat-to-beat cardiac output (CO). As CO monitors, they are capable of trending changes in CO when compared with a transpulmonary thermodilution monitor. Difficulty with use in critically ill and awake patients has been encountered because of altered microvascular physiology and patient movement. The principles of operation and clinical validation of these devices are presented. The clinicians who are interested in using these devices in their clinical setting should be aware of the relatively large bias and CIs in the hemodynamic measurements.
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Affiliation(s)
- Eugene P. Raggi
- University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Tetsuro Sakai
- University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Huhle R, Siegert J, Wonka F, Schindler C, de Abreu MG, Koch T, Morgenstern U, Theilen H. Assessing the eligibility of a non-invasive continuous blood pressure measurement technique for application during total intravenous anaesthesia. ACTA ACUST UNITED AC 2016; 61:369-79. [PMID: 26859497 DOI: 10.1515/bmt-2015-0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 11/10/2015] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To assess the eligibility for replacement of invasive blood pressure as measured "within" the arterial vessel (IBP) with non-invasive continuous arterial blood pressure (cNIP) monitoring during total intravenous anaesthesia (TIVA), the ability of cNiP to track fast blood pressure changes needs to be quantified. A new method of statistical data analysis is developed for this purpose. METHODS In a pilot study on patients undergoing neurosurgical anaesthesia, mean arterial pressure MAPIBP measured with IBP was compared to MAPCNP measured by the CNAP Monitor 500 in ten patients (age: 63±13 a). Correlation analysis of changes of device differences ΔeMAP=ΔMAPCNP-ΔMAPIBP with changes of MAPIBP (ΔMAPIBP) during intervals of vasoactivity was conducted. An innovative technique, of linear trend analysis (LTA) applied to two signals, is described to perform this analysis without a priori knowledge of intervals of vasoactivity. RESULTS Analysis of ΔeMAP during vasoactivity revealed that ΔMAPCNP systematically underestimated ΔMAPIBP by 37%. This was confirmed in the complete data set using LTA technique showing a systematic, yet patient specific, underestimation in tracking ΔMAPIBP (16…120%). CONCLUSION The proposed LTA technique is able to detect systematic errors in tracking short-term blood pressure changes otherwise masked by established analysis. LTA may thus be a useful tool to assess the eligibility of cNIP to replace IBP during TIVA.
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Smolle KH, Schmid M, Prettenthaler H, Weger C. The Accuracy of the CNAP®Device Compared with Invasive Radial Artery Measurements for Providing Continuous Noninvasive Arterial Blood Pressure Readings at a Medical Intensive Care Unit. Anesth Analg 2015; 121:1508-16. [DOI: 10.1213/ane.0000000000000965] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Bartels K, Thiele RH. Advances in photoplethysmography: beyond arterial oxygen saturation. Can J Anaesth 2015; 62:1313-28. [PMID: 26286382 DOI: 10.1007/s12630-015-0458-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 07/03/2015] [Accepted: 08/11/2015] [Indexed: 01/19/2023] Open
Abstract
PURPOSE Photoplethysmography permits continuous measurement of heart rate and peripheral oxygen saturation and has been widely used to inform clinical decisions. Recently, a myriad of noninvasive hemodynamic monitoring devices using this same technology have been increasingly available. This narrative review aims to summarize the principles that form the basis for the function of these devices as well as to comment on trials evaluating their accuracy and clinical application. PRINCIPAL FINDINGS Advanced monitoring devices extend photoplethysmography technology beyond measuring oxygen concentration and heart rate. Quantification of respiratory variation of the photoplethysmographic waveform reflects respiratory variation of the arterial pressure waveform and can be used to gauge volume responsiveness. Both the volume-clamp and physiocal techniques are extensions of conventional photoplethysmography and permit continuous measurement of finger arterial blood pressure. Finger arterial pressure waveforms can subsequently inform estimations of cardiac output. CONCLUSIONS Although respiratory variations of the plethysmographic waveform correlate only modestly with the arterial blood pressure waveform, fluid responsiveness can be relatively consistently assessed using both approaches. Continuous blood pressure measurements obtained using the volume-clamp technique may be as accurate as conventional brachial noninvasive blood pressure measurements. Most importantly, clinical comparative effectiveness studies are still needed in order to determine if these technologies can be translated into improvement of relevant patient outcomes.
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Affiliation(s)
- Karsten Bartels
- Departments of Anesthesiology and Surgery, University of Colorado Denver, Aurora, CO, USA
| | - Robert H Thiele
- Divisions of Cardiac, Thoracic, and Critical Care Anesthesiology, Departments of Anesthesiology and Biomedical Engineering, University of Virginia School of Medicine, Charlottesville, VA, USA.
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Zhao F, Li M, Tsien JZ. Technology platforms for remote monitoring of vital signs in the new era of telemedicine. Expert Rev Med Devices 2015; 12:411-29. [PMID: 26037691 DOI: 10.1586/17434440.2015.1050957] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Driven by healthcare cost and home healthcare need, the development of remote monitoring technologies is poised to improve and revolutionize healthcare delivery and accessibility. This paper reviews the recent progress in the field of remote monitoring technologies that may have the potential to become the basic platforms for telemedicine. In particular, key techniques and devices for monitoring cardiorespiratory activity, blood pressure and blood glucose concentration are summarized and discussed. In addition, the US FDA approved remote vital signs monitoring devices currently available on the market are presented.
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Affiliation(s)
- Fang Zhao
- Medical College of Georgia, Georgia Regents University, Brain and Behavior Discovery Institute and Department of Neurology, Augusta, GA 30912, USA
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Interactive technology in obstetric anaesthesia and analgesia: exploring seamless solutions to jagged problems. Int J Obstet Anesth 2013; 22:322-8. [DOI: 10.1016/j.ijoa.2013.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Accepted: 07/05/2013] [Indexed: 11/18/2022]
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Schramm C, Huber A, Plaschke K. The Accuracy and Responsiveness of Continuous Noninvasive Arterial Pressure During Rapid Ventricular Pacing for Transcatheter Aortic Valve Replacement. Anesth Analg 2013; 117:76-82. [DOI: 10.1213/ane.0b013e3182910df5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Tan HS, Sng BL. Control of blood pressure during spinal anaesthesia for caesarean section. TRENDS IN ANAESTHESIA AND CRITICAL CARE 2013. [DOI: 10.1016/j.tacc.2013.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Non-invasive continuous blood pressure monitoring: a review of current applications. Front Med 2013; 7:91-101. [DOI: 10.1007/s11684-013-0239-5] [Citation(s) in RCA: 104] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Accepted: 11/15/2012] [Indexed: 11/26/2022]
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Kim YJ, Chun SE, Whitacre J, Bettinger CJ. Self-deployable current sources fabricated from edible materials. J Mater Chem B 2013; 1:3781-3788. [DOI: 10.1039/c3tb20183j] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Plante A, Ro E, Rowbottom JR. Hemodynamic and related challenges: monitoring and regulation in the postoperative period. Anesthesiol Clin 2012; 30:527-554. [PMID: 22989593 DOI: 10.1016/j.anclin.2012.07.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The clinician caring for patients in the immediate postoperative period must maintain a high index of suspicion for the development of complications. Evolving illness manifests itself throughout the continuum of care and must be recognized and aggressively managed to ensure optimal outcome. This article discusses common hemodynamic problems encountered in the postanesthesia care unit. These problems are presented in a clinical framework that is familiar to experienced practitioners and recognizable to trainees. This article reviews of these common problems including relevant physiologic principles; effects on hemodynamics; and a logical approach to evaluation, monitoring, and management of a complex postoperative patient.
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Affiliation(s)
- Andrew Plante
- Department of Anesthesiology & Perioperative Medicine, University Hospitals, Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106, USA
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