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Shalev S, Orbach-Zinger S, Sultan P, Guo N, Ronel I, Davis A, Weiniger CF. Obstetric quality of recovery scoring tool: assessment of validity, reliability and feasibility in an Israeli cesarean delivery population. Int J Obstet Anesth 2020; 44:51. [PMID: 32799064 DOI: 10.1016/j.ijoa.2020.07.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 07/20/2020] [Indexed: 12/26/2022]
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Howle R, Sultan P, Shah R, Sceales P, Van de Putte P, Bampoe S. Gastric point-of-care ultrasound (PoCUS) during pregnancy and the postpartum period: a systematic review. Int J Obstet Anesth 2020; 44:24-32. [PMID: 32693329 DOI: 10.1016/j.ijoa.2020.05.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 05/12/2020] [Accepted: 05/19/2020] [Indexed: 11/18/2022]
Abstract
Personalised risk assessment of the likelihood of pulmonary aspiration is recommended for pregnant women undergoing general anaesthesia and gastric point-of-care ultrasound (PoCUS) may help to achieve this. Traditionally, risk assessment is based upon adherence to fasting times, but gastric emptying may vary during pregnancy and surgery often needs to be expedited. We systematically reviewed the evidence for gastric PoCUS up to August 2018 in pregnant and postpartum women to determine whether it can identify and quantify stomach contents, provide aspiration risk assessment via qualitative or quantitative means, and determine how gastric emptying is affected by pregnancy. Twenty-two articles comprising 1050 participants were included and studies were classified by qualitative or quantitative findings. The evidence suggests that gastric PoCUS is a reliable and feasible method of imaging the stomach in pregnancy in clinical practice. Qualitative assessment via the Perlas grading system can provide rapid assessment of gastric volume states. If fluid is visible, identification of patients at high risk of pulmonary aspiration requires measurement of antral cross-sectional area. Cut-off values of 608 mm2 and 960 mm2 are recommended in the semi-recumbent and right lateral semi-recumbent positions, respectively. Validated methods to quantify stomach volumes are available, however their usefulness is currently restricted to research. Gastric PoCUS also provides evidence that gastric emptying of ingested food is delayed by term pregnancy, labour and during the early postpartum period. However, the passage of fluids through the stomach appears unaffected throughout the peripartum period.
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El-Boghdadly K, Desai N, Halpern S, Blake L, Odor PM, Bampoe S, Carvalho B, Sultan P. Quadratus lumborum block vs. transversus abdominis plane block for caesarean delivery: a systematic review and network meta-analysis . Anaesthesia 2020; 76:393-403. [PMID: 32621529 DOI: 10.1111/anae.15160] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2020] [Indexed: 12/12/2022]
Abstract
Caesarean delivery is the most commonly performed inpatient surgical procedure globally. Pain after caesarean delivery is moderate to severe if not adequately treated, and is a primary anaesthetic concern for patients. Transversus abdominis plane and quadratus lumborum blocks are fascial plane blocks that have the potential to improve analgesia following caesarean delivery. Although proponents of the quadratus lumborum block suggest that this technique may provide better analgesia compared with transversus abdominis plane block, there are limited data directly comparing these two techniques. We, therefore, performed a systematic review and network meta-analysis to compare transversus abdominis plane and quadratus lumborum block approaches, seeking randomised controlled trials comparing both techniques to each other, or to control, with or without intrathecal morphine. In all, 31 trials with 2188 patients were included and our primary outcome, the cumulative intravenous morphine equivalent consumption at 24 h, was reported in 12 trials. In the absence of intrathecal morphine, transversus abdominis plane and quadratus lumborum blocks were equivalent, and both were superior to control (moderate-quality evidence). In the presence of intrathecal morphine, no differences were found between control, transversus abdominis plane and quadratus lumborum blocks (moderate-quality evidence). Similar results were found for resting and active pain scores at 4-6 h, 8-12 h, 24 h and 36 h, although quadratus lumborum block was associated with lower pain scores at 36 h when compared with transversus abdominis plane block (very low-quality evidence). However, transversus abdominis plane block was associated with a reduced incidence of postoperative nausea and vomiting (moderate-quality evidence) and sedation when compared with inactive control following intrathecal morphine administration (low-quality evidence). There are insufficient data to draw definitive conclusions, but transversus abdominis plane and quadratus lumborum block appear to be superior to control in the absence of intrathecal morphine, but provide limited additional benefit over inactive control when intrathecal morphine is also used.
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Sultan P, Tarafder T, Pearson D, Henryks J. Intention-behaviour gap and perceived behavioural control-behaviour gap in theory of planned behaviour: moderating roles of communication, satisfaction and trust in organic food consumption. Food Qual Prefer 2020. [DOI: 10.1016/j.foodqual.2019.103838] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Patel S, Sharawi N, Sultan P. Local anaesthetic techniques for post-caesarean delivery analgesia. Int J Obstet Anesth 2019; 40:62-77. [DOI: 10.1016/j.ijoa.2019.06.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 05/21/2019] [Accepted: 06/03/2019] [Indexed: 12/12/2022]
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Sharawi N, Klima L, Shah R, Blake L, Carvalho B, Sultan P. Evaluation of patient‐reported outcome measures of functional recovery following caesarean section: a systematic review using the consensus‐based standards for the selection of health measurement instruments (COSMIN) checklist. Anaesthesia 2019; 74:1439-1455. [DOI: 10.1111/anae.14807] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/23/2019] [Indexed: 12/12/2022]
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Ciechanowicz S, Setty T, Robson E, Sathasivam C, Chazapis M, Dick J, Carvalho B, Sultan P. Development and evaluation of an obstetric quality-of-recovery score (ObsQoR-11) after elective Caesarean delivery. Br J Anaesth 2019; 122:69-78. [DOI: 10.1016/j.bja.2018.06.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 05/18/2018] [Accepted: 06/25/2018] [Indexed: 12/29/2022] Open
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del Arroyo A, Sanchez J, Patel S, Phillips S, Reyes A, Cubillos C, Fernando R, David A, Sultan P, Ackland G, Reeve A, Sodha S, Ciechanowicz S, Olearo E, Dick J, Stewart A. Role of leucocyte caspase-1 activity in epidural-related maternal fever: a single-centre, observational, mechanistic cohort study. Br J Anaesth 2019; 122:92-102. [DOI: 10.1016/j.bja.2018.09.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 09/03/2018] [Accepted: 09/24/2018] [Indexed: 01/19/2023] Open
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Sultan P, Carvalho B. Does the addition of active body warming to in-line intravenous fluid warming prevent maternal hypothermia during elective caesarean section? A randomised controlled trial. Int J Obstet Anesth 2018; 35:115-116. [DOI: 10.1016/j.ijoa.2017.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 09/28/2017] [Accepted: 11/29/2017] [Indexed: 11/30/2022]
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Howle R, Ciechanowicz S, Heppolette C, Nakhjavani B, Sultan P. Validation of an obstetric quality-of-recovery scoring tool (ObsQoR-11) after emergency Caesarean delivery. Br J Anaesth 2018. [DOI: 10.1016/j.bja.2018.05.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Pushpanathan E, Setty T, Carvalho B, Sultan P. A Systematic Review of Postoperative Pain Outcome Measurements Utilised in Regional Anesthesia Randomized Controlled Trials. Anesthesiol Res Pract 2018; 2018:9050239. [PMID: 30151005 PMCID: PMC6087609 DOI: 10.1155/2018/9050239] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Accepted: 06/24/2018] [Indexed: 12/03/2022] Open
Abstract
INTRODUCTION Regional anesthesia is a rapidly growing subspecialty. There are few published meta-analyses exploring pain outcome measures utilised in regional anesthesia randomized controlled trials (RCTs), which may be due to heterogeneity in outcomes assessed. This systematic review explores postoperative pain outcomes utilised in regional anesthesia RCTs. METHODS A literature search was performed using three databases (Medline, Embase, and CINAHL). Regional anesthesia RCTs with postoperative pain as a primary outcome were included if written in English and published in one of the top 20 impact factor journals between 2005 and 2017. Study quality was assessed using the Cochrane Collaboration's tool for assessing risk of bias. RESULTS From the 31 included articles, 15 different outcome measures in total were used to assess postoperative pain. The most commonly (16/31) used outcome measures were verbal numerical grading of pain out of 10, total opioid consumption, and visual analogue scale 10 cm (VAS). The need for analgesia was used as an outcome measure where studies did not use a pain rating score. Ten studies reported pain scores on activity and 27/31 studies utilised ≥2 pain outcomes. Time of measurement of pain score also varied with a total of 51 different time points used in total. CONCLUSION Analysis of the articles demonstrated heterogeneity and inconsistency in choice of pain outcome and time of measurement within regional anesthesia studies. Identification of these pain outcomes utilised can help to create a definitive list of core outcomes, which may guide future researchers when designing such studies.
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Palmer E, Ciechanowicz S, Reeve A, Harris S, Wong DJN, Sultan P. Operating room-to-incision interval and neonatal outcome in emergency caesarean section: a retrospective 5-year cohort study. Anaesthesia 2018; 73:825-831. [DOI: 10.1111/anae.14296] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/02/2018] [Indexed: 11/29/2022]
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Ng S, Habib A, Sodha S, Carvalho B, Sultan P. High-dose versus low-dose local anaesthetic for transversus abdominis plane block post-Caesarean delivery analgesia: a meta-analysis. Br J Anaesth 2018; 120:252-263. [DOI: 10.1016/j.bja.2017.11.084] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 08/29/2017] [Accepted: 08/29/2017] [Indexed: 10/18/2022] Open
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Sultan P, Habib AS, Carvalho B. Ambient operating room temperature: mother, baby or surgeon? Br J Anaesth 2017; 119:839. [PMID: 29121314 DOI: 10.1093/bja/aex307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Rahman S, Walker D, Sultan P. Medical identification or alert jewellery: an opportunity to save lives or an unreliable hindrance? Anaesthesia 2017; 72:1139-1145. [DOI: 10.1111/anae.13958] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2017] [Indexed: 11/30/2022]
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Phillips S, Subair S, Husain T, Sultan P. Apnoeic oxygenation during maternal cardiac arrest in a parturient with extreme obesity. Int J Obstet Anesth 2017; 29:88-90. [DOI: 10.1016/j.ijoa.2016.11.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 11/10/2016] [Indexed: 01/04/2023]
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Duffield A, Sultan P, Riley ET, Carvalho B. Optimal administration of cefazolin prophylaxis for cesarean delivery. J Perinatol 2017; 37:16-20. [PMID: 28050017 DOI: 10.1038/jp.2016.210] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 10/07/2016] [Accepted: 10/14/2016] [Indexed: 11/09/2022]
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Sultan P, Habib A, Carvalho B. Reply. Br J Anaesth 2016; 117:676-677. [DOI: 10.1093/bja/aew351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Sultan P, Habib AS, Cho Y, Carvalho B. The Effect of patient warming during Caesarean delivery on maternal and neonatal outcomes: a meta-analysis. Br J Anaesth 2015; 115:500-10. [PMID: 26385660 DOI: 10.1093/bja/aev325] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Perioperative warming is recommended for surgery under anaesthesia, however its role during Caesarean delivery remains unclear. This meta-analysis aimed to determine the efficacy of active warming on outcomes after elective Caesarean delivery. METHODS We searched databases for randomized controlled trials utilizing forced air warming or warmed fluid within 30 min of neuraxial anaesthesia placement. Primary outcome was maximum temperature change. Secondary outcomes included maternal (end of surgery temperature, shivering, thermal comfort, hypothermia) and neonatal (temperature, umbilical cord pH and Apgar scores) outcomes. Standardized mean difference/mean difference/risk ratio (SMD/MD/RR) and 95% confidence interval (CI) were calculated using random effects modelling (CMA, version 2, 2005). RESULTS 13 studies met our criteria and 789 patients (416 warmed and 373 controls) were analysed for the primary outcome. Warming reduced temperature change (SMD -1.27°C [-1.86, -0.69]; P=0.00002); resulted in higher end of surgery temperatures (MD 0.43 °C [0.27, 0.59]; P<0.00001); was associated with less shivering (RR 0.58 [0.43, 0.79]; P=0.0004); improved thermal comfort (SMD 0.90 [0.36, 1.45]; P=0.001), and decreased hypothermia (RR 0.66 [0.50, 0.87]; P=0.003). Umbilical artery pH was higher in the warmed group (MD 0.02 [0, 0.05]; P=0.04). Egger's test (P=0.001) and contour-enhanced funnel plot suggest a risk of publication bias for the primary outcome of temperature change. CONCLUSIONS Active warming for elective Caesarean delivery decreases perioperative temperature reduction and the incidence of hypothermia and shivering. These findings suggest that forced air warming or warmed fluid should be used for elective Caesarean delivery.
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Elkomy MH, Sultan P, Carvalho B, Peltz G, Wu M, Clavijo C, Galinkin JL, Drover DR. Ondansetron pharmacokinetics in pregnant women and neonates: towards a new treatment for neonatal abstinence syndrome. Clin Pharmacol Ther 2014; 97:167-76. [PMID: 25670522 DOI: 10.1002/cpt.5] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 09/27/2014] [Indexed: 11/10/2022]
Abstract
Ondansetron is the drug of choice to prevent nausea in women undergoing cesarean surgery and can be used to prevent neonatal abstinence syndrome (NAS). The pharmacokinetics of ondansetron have not been characterized in pregnant women or in newborns. A nonlinear mixed-effects modeling approach was used to analyze plasma samples obtained from 20 nonpregnant and 40 pregnant women following a single administration of 4 or 8 mg ondansetron, from umbilical cord blood at delivery, and from neonates after birth. The analysis indicates that: ondansetron disposition is not affected by pregnancy (P > 0.05), but influenced by dose (P < 0.05), and is characterized by rapid transplacental transfer and longer elimination half-life in neonates compared to their mother. A dosing regimen for prevention of NAS was designed based on the model. The regimen involves IV administration of 4 mg to the mothers shortly before cord clamping, or oral administration of 0.07 mg/kg (or equivalently 0.04 mg/kg IV) to neonates.
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Soltanifar D, Jacobs M, Jones T, McGlennan A, Sultan P. Spinal anaesthesia for emergency caesarean delivery in a parturient with falciparum malaria. Int J Obstet Anesth 2014; 24:91. [PMID: 25433574 DOI: 10.1016/j.ijoa.2014.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Revised: 07/08/2014] [Accepted: 07/12/2014] [Indexed: 10/25/2022]
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Soltanifar D, Afzal S, Harrison S, Sultan P. Caesarean delivery in a parturient with type III hereditary angioedema. Int J Obstet Anesth 2014; 23:398-9. [DOI: 10.1016/j.ijoa.2014.05.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 05/28/2014] [Accepted: 05/29/2014] [Indexed: 11/24/2022]
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Sultan P, Yin Wong H. An integrated-process model of service quality, institutional brand and behavioural intentions. ACTA ACUST UNITED AC 2014. [DOI: 10.1108/msq-01-2014-0007] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Purpose
– The purpose of this paper is to develop and test an integrated-process model/an index model by incorporating the antecedents and consequences of service quality in a higher education context.
Design/methodology/approach
– This research employed both qualitative and quantitative research methods. The data from three focus groups, conducted at an Australian University, generated key themes and their interrelationships. The theoretical model was then tested using the structural equation modelling (SEM) technique on a sample of 528 University students.
Findings
– The findings show that information (or marketing communications) and past experience are the antecedents of perceived service quality (PSQ). PSQ is a second order construct and has three dimensions: academic, administrative and facilities. The consequences of PSQ include trust, satisfaction, university-brand (UniBrand) performance and behavioural intentions. Overall, the results suggest a good validity of the model, and the nine path coefficients are found statistically significant.
Originality/value
– The model explains how service quality is formed, and how PSQ affects UniBrand and positive behavioural intentions overtime. This paper develops and validates three new constructs including information, past experience and UniBrand performance. In addition, it improves and validates other constructs including service quality, satisfaction, trust and behavioural intention. The paper also advances service quality literature and validates five hypothesised relationships between constructs that are relatively new in the service quality literature. Finally, this study validates a comprehensive three-tiered “integrated-process” model/an index model that includes antecedents, dimensions and consequences of service quality taking a University as a case. Universities aiming for a sustainable presence in a competitive global market and intending to enhance brand performance and attract and retain students are encouraged to consider this model and its implications.
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Sultan P, Arulkumaran N, Rhodes A. Provision of critical care services for the obstetric population. Best Pract Res Clin Obstet Gynaecol 2013; 27:803-9. [PMID: 23972289 DOI: 10.1016/j.bpobgyn.2013.07.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 07/07/2013] [Accepted: 07/22/2013] [Indexed: 10/26/2022]
Abstract
Management of the peripartum patient is a challenging aspect of critical care that requires consideration of both the physiological changes associated with pregnancy as well as the well-being of the foetus. In the UK, for every maternal death, approximately 118 near-miss events or severe acute maternal morbidities (SAMMs) occur. While a dedicated anaesthetic cover is usually provided on larger labour wards in the UK and US, a close communication with intensive care and other medical specialties must still be maintained. Medical outreach teams and early warning scores may help facilitate the early identification of clinical deterioration and prompt treatment. Ultimately level of care is allocated according to the clinical need, not the location, which may be a designated room, a normal labour room or a recovery area. Specialist obstetric units that provide high-dependency care facilities show lower rates of maternal transfer to critical care units and improved continuity of care before and after labour. The benefits of obstetric high-dependency units (HDUs) are likely to be determined by a number of logistic aspects of the hospital organisation, including hospital size and available resources. There remains a striking contrast in the burden of maternal mortality and morbidity and intensive care unit (ICU) resources between high- and low-income countries. The countries with the highest maternal mortality rates have the lowest number of ICU beds per capita. In under-resourced countries, patients admitted to ICUs tend to have higher illness severity scores, suggesting delayed admission to the ICU. The appropriate training of midwives is essential for successful HDUs located within labour wards.
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Ramadan M, Pushpanathan E, Sultan P. Should endotracheal cuff pressure be routinely measured during elective surgery? Br J Hosp Med (Lond) 2012; 73:538. [DOI: 10.12968/hmed.2012.73.9.538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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