Publications by authors named "Colin J L McCartney"

Background: Periarticular local infiltration analgesia has become an important mainstay of multimodal analgesia after elective total hip arthroplasty (THA). However, the role of novel motor-sparing fascial plane blocks-with or without periarticular local infiltration analgesia-has not been fully elucidated for patients undergoing THA. The authors conducted a network meta-analysis evaluating the relative analgesic effectiveness of motor-sparing fascial plane blocks (quadratus lumborum, erector spinae, and pericapsular nerve group blocks) and periarticular local infiltration analgesia for adult patients undergoing THA.

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Background And Objectives: Analgesia trials often demands multiple comparisons to assess various treatment arms, outcomes, or repeated assessments. These multiple comparisons risk inflating the false positive rate. Multiplicity correction in recent analgesic randomized controlled trials (RCTs) remains unclear despite statistical method advancements and regulatory guidelines.

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Article Synopsis
  • The study focused on whether a home-based exercise program combined with nutritional guidance (prehabilitation) improves disease-free survival and return to treatment for older cancer patients with frailty compared to usual care.* -
  • Out of 204 participants, results showed that the prehabilitation group and control group had similar rates of death or cancer recurrence (11% each), and slightly more patients returned to treatment in the prehabilitation group (29% vs. 23%).* -
  • Ultimately, the research found no significant advantage of exercise prehabilitation on disease-free survival or treatment return, suggesting that future studies may need to be larger to detect meaningful effects.*
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Objective: To examine the association of anesthesiologist sex on postoperative outcomes.

Background: Differences in patient postoperative outcomes exist, depending on whether the primary surgeon is male or female, with better outcomes seen among patients treated by female surgeons. Whether the intraoperative anesthesiologist's sex is associated with differential postoperative patient outcomes is unknown.

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Background: Normal saline (NS) and Ringer's lactate (RL) are the most common crystalloids given to hospitalized patients. Despite concern about possible harm associated with NS (eg, hyperchloremic metabolic acidosis, impaired kidney function, and death), few large multicenter randomized trials focused on critically ill patients have compared these fluids. Uncertainty exists about the effects of these fluids on clinically important outcomes across all hospitalized patients.

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Purpose: Preoperative exercise could improve postoperative outcomes for people with frailty; however, little is known about how to predict older people's adherence to exercise before surgery (i.e., prehabilitation) programs.

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Background: Older adults with frailty are at an increased risk of adverse outcomes after surgery. Exercise before surgery (exercise prehabilitation) may reduce adverse events and improve recovery after surgery. However, adherence with exercise therapy is often low, especially in older populations.

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Background: Frailty is a state of vulnerability as a result of decreased reserves. Prehabilitation may increase reserve and improve postoperative outcomes. Our objective was to determine if home-based prehabilitation improves postoperative functional recovery in older adults with frailty having cancer surgery.

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Introduction: Frailty is a robust predictor of adverse outcomes in older people. Practice guidelines recommend routine screening for frailty; however, this does not occur regularly. The Clinical Frailty Scale (CFS) is a validated, feasible instrument that can be used in a variety of clinical settings and is associated with many adverse outcomes.

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Background: Unwarranted variation in anaesthesia practice is associated with adverse outcomes. Despite high-certainty evidence of benefit, a minority of hip fracture surgery patients receive a peripheral nerve block. Our objective was to estimate variation in peripheral nerve block use at the hospital, anaesthetist, and patient levels, while identifying predictors of peripheral nerve block use in hip fracture patients.

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Article Synopsis
  • The study aimed to compare the effectiveness of virtual care with remote automated monitoring (RAM) versus standard care in increasing the number of days adults were able to stay at home after non-elective surgery during the COVID-19 pandemic.
  • Conducted as a multicenter randomized controlled trial in eight Canadian hospitals, 905 adults were divided into two groups: one receiving virtual care with daily monitoring and the other receiving standard post-operative care.
  • The results showed a slight advantage for the virtual care group in terms of days alive at home (29.7 vs. 29.5 days), but the difference was minimal and not statistically significant, indicating no major benefit from the virtual care approach.
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Background: There is need to identify perioperative interventions that decrease chronic opioid use. The authors hypothesized that receipt of a peripheral nerve block would be associated with a lower incidence of persistent postoperative opioid prescription fulfillment.

Methods: This was a retrospective population-based cohort study examining ambulatory shoulder surgery patients in Ontario, Canada.

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Background: Peripheral nerve blocks are being used with increasing frequency for management of hip fracture-related pain. Despite converging evidence that nerve blocks may be beneficial, safety data are lacking. This study hypothesized that peripheral nerve block receipt would not be associated with adverse events potentially attributable to nerve blocks, as well as overall patient safety incidents while in hospital.

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Article Synopsis
  • The PVC-RAM trial aims to assess whether virtual care with remote automated monitoring (RAM) improves post-discharge outcomes for patients who have undergone nonelective surgeries during the COVID-19 pandemic.
  • The study involves 900 adults from 8 Canadian hospitals, who are randomly assigned to receive either RAM or standard care, with daily monitoring of vital signs and interaction with nurses over a 30-day period.
  • Results from this trial will help shape better post-surgical care strategies and will be shared through various platforms for broader impact, both during and after the pandemic.
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Background: Interscalene block (ISB) is the acute pain management technique of choice for shoulder surgery, but its undesirable respiratory side effects have prompted seeking alternatives. Supraclavicular block (SCB) is proposed as an ISB alternative, but evidence of comparative analgesic and respiratory-sparing effects is inconsistent. We compared the analgesic and respiratory effects of SCB and ISB for shoulder surgery.

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Objective: The relationship between preexisting osteoarthritic pain and subsequent post-total knee arthroplasty (TKA) pain is not well defined. This knowledge gap makes diagnosis of post-TKA pain and development of management plans difficult and may impair future investigations on personalized care. Therefore, a set of diagnostic criteria for identification of acute post-TKA pain would inform standardized management and facilitate future research.

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Background: Adverse outcomes and resource use rates are high after hip fracture surgery. Peripheral nerve blocks could improve outcomes through enhanced analgesia and decreased opioid related adverse events. We hypothesized that these benefits would translate into decreased resource use (length of stay [primary outcome] and costs), and better clinical outcomes (pneumonia and mortality).

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Background: Thoracic paravertebral block is the preferred regional anesthetic technique for breast cancer surgery, but concerns over its invasiveness and risks have prompted search for alternatives. Pectoralis-II block is a promising analgesic technique and potential alternative to paravertebral block, but evidence of its absolute and relative effectiveness versus systemic analgesia (Control) and paravertebral block, respectively, is conflicting. This meta-analysis evaluates the analgesic effectiveness of Pectoralis-II versus Control and paravertebral block for breast cancer surgery.

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Background: Nerve blocks improve early pain after ambulatory shoulder surgery; impact on postdischarge outcomes is poorly described. Our objective was to measure the association between nerve blocks and health system outcomes after ambulatory shoulder surgery.

Methods: We conducted a population-based cohort study using linked administrative data from 118 hospitals in Ontario, Canada.

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Perioperative intermediate care units (termed surgical special care units) have been widely implemented across health systems because they are believed to improve surveillance and management of high-risk surgical patients. Our objective was to conduct a systematic review to investigate the effects of a 3-level model of perioperative care delivery (ie, ward, surgical special care unit, or intensive care unit) compared to a 2-level model of care (ie, ward, intensive care unit) on postoperative outcomes. Our protocol was registered with PROSPERO, the international prospective register of systematic reviews (CRD42015025155).

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Purpose: Regional anesthesia may have immediate postoperative advantages compared with general anesthesia, but its impact on post-discharge outcomes is poorly described. Our objective was to measure the association between regional anesthesia and outcomes after ambulatory shoulder surgery.

Methods: We conducted a historical cohort study at The Ottawa Hospital.

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What We Already Know About This Topic: WHAT THIS MANUSCRIPT TELLS US THAT IS NEW: BACKGROUND:: Substantial variation in primary anesthesia type for hip fracture surgery exists. Previous work has demonstrated that patients cared for at hospitals using less than 20 to 25% neuraxial anesthesia have decreased survival. Therefore, the authors aimed to identify sources of variation in anesthesia type, considering patient-, anesthesiologist-, and hospital-level variables.

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