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"Forced air warming" infection

Clarissa Tjoakarfa, Vikram David, Atlas Ko, Raphael Hau
BACKGROUND: The use of forced air warming devices in the operating room has been shown to cause disruption of laminar airflow and a potential for increase in surgical site contamination. In contrast, conductive warming devices such as reflective blankets do not disrupt airflow and therefore have no potential for this increase in surgical site infection. However, some studies have shown them to be inferior to forced air warming devices in maintaining normothermia. We tested the hypothesis that the use of reflective blankets is as effective as forced air warming devices in maintaining intraoperative normothermia after adequate prewarming...
July 21, 2016: Journal of Arthroplasty
Youn Joung Cho, Seo Yun Lee, Tae Kyong Kim, Deok Man Hong, Yunseok Jeon
BACKGROUND: General anesthesia may induce inadvertent hypothermia and this may be related to perioperative cardiovascular complications. Microvascular reactivity, measured by the recovery slope during a vascular occlusion test, is decreased during surgery and is also related to postoperative clinical outcomes. We hypothesized that microvascular changes during surgery may be related to intraoperative hypothermia. To evaluate this, we conducted a randomized study in patients undergoing off-pump coronary artery bypass surgery, in which the effect of prewarming on microvascular reactivity was evaluated...
2016: PloS One
Matthias Görges, Nicholas C West, Wesley Cheung, Guohai Zhou, Firoz Miyanji, Simon D Whyte
BACKGROUND: Underbody forced air warming is a method commonly used for intraoperative temperature maintenance in children. We previously reported that preoperative forced air warming of children undergoing spinal surgery substantially reduces the incidence and duration of intraoperative hypothermia (<36°C). OBJECTIVE: The aim of this study was to evaluate the effects of preoperative warming before spinal deformity surgery on surgical site infection rate, length of hospitalization, and bleeding (estimated blood loss and incidence of cell salvaged and/or allogeneic packed red blood cell transfusions)...
September 2016: Paediatric Anaesthesia
Aaron Conway, Jed Duff
AIM: To determine whether applying forced air warming attenuates the impact of sedation-induced impairment of thermoregulation on body temperature of patients who are sedated during interventional procedures in the cardiac catheterization laboratory. BACKGROUND: A moderate proportion of sedated patients who undergo procedures in the cardiac catheterization laboratory with only passive warming become hypothermic. Hypothermia in the surgical population is associated with increased risk of adverse cardiac events, infections, thrombotic and haemorrhagic complications and prolonged hospital stay...
October 2016: Journal of Advanced Nursing
Eva Madrid, Gerard Urrútia, Marta Roqué i Figuls, Hector Pardo-Hernandez, Juan Manuel Campos, Pilar Paniagua, Luz Maestre, Pablo Alonso-Coello
BACKGROUND: Inadvertent perioperative hypothermia is a phenomenon that can occur as a result of the suppression of the central mechanisms of temperature regulation due to anaesthesia, and of prolonged exposure of large surfaces of skin to cold temperatures in operating rooms. Inadvertent perioperative hypothermia has been associated with clinical complications such as surgical site infection and wound-healing delay, increased bleeding or cardiovascular events. One of the most frequently used techniques to prevent inadvertent perioperative hypothermia is active body surface warming systems (ABSW), which generate heat mechanically (heating of air, water or gels) that is transferred to the patient via skin contact...
2016: Cochrane Database of Systematic Reviews
A M Wood, C Moss, A Keenan, M R Reed, D J Leaper
A review is presented of the published experimental and clinical research into the infection control hazards of using forced air-warming (FAW) in operating theatres to prevent inadvertent hypothermia. This evidence has been reviewed with emphasis on the use of ultra-clean ventilation, any interaction it has with different types of patient warming (and FAW in particular), and any related increased risk of surgical site infection (SSI). We conclude that FAW does contaminate ultra-clean air ventilation; however, there appears to be no definite link to an increased risk of SSI based on current research...
November 2014: Journal of Hospital Infection
Melissa Bucci Adriani, Nancy Moriber
Hypothermia in the perioperative setting can have serious consequences, including increased risk of infection or adverse cardiac events. Forced-air warming units commonly are used to prevent hypothermia. This study examined the impact of adding preoperative warming (Bair Paws, 3M) to conventional intraoperative forced-air warming modalities. Thirty patients received both preoperative and intraoperative forced-air warming, and 30 patients received intraoperative warming alone. Temperature readings were recorded across 3 time periods: preoperative, intraoperative, and postoperative...
December 2013: AANA Journal
Mike Reed, Oliver Kimberger, Paul D McGovern, Mark C Albrecht
Forced-air warming devices are effective for the prevention of surgical hypothermia. However, these devices intake nonsterile floor-level air, and it is unknown whether they have adequate filtration measures to prevent the internal buildup or emission of microbial contaminants. We rated the intake filtration efficiency of a popular current-generation forced-air warming device (Bair Hugger model 750, Arizant Healthcare) using a monodisperse sodium chloride aerosol in the laboratory. We further sampled 23 forced-air warming devices (same model) in daily hospital use for internal microbial buildup and airborne-contamination emissions via swabbing and particle counting...
August 2013: AANA Journal
Melissa D Kellam, Loraine S Dieckmann, Paul N Austin
The potential that forced-air warming systems may increase the risk of surgical site infections (SSIs) by acting as a vector or causing unwanted airflow disturbances is a concern to health care providers. To investigate this potential, we examined the literature to determine whether forced-air warming devices increase the risk of SSIs in patients undergoing general, vascular, or orthopedic surgical procedures. We examined 192 evidence sources, 15 of which met our inclusion criteria. Most sources we found indirectly addressed the issue of forced-air warming and only three studies followed patients who were warmed intraoperatively with forced-air warming devices to determine whether there was an increased incidence of SSIs...
October 2013: AORN Journal
Matthias Görges, J Mark Ansermino, Simon D Whyte
BACKGROUND: Hypothermia (core body temperature <36°C) during surgery has been associated with surgical site infection, a major risk in all spine deformity surgeries. Forced air warming is an important method of intraoperative temperature maintenance in children. In mid-2010, we empirically introduced preoperative warming as a strategy to reduce intraoperative hypothermia. OBJECTIVE: We report the prevalence and extent of hypothermia during spine deformity surgeries at our institution and evaluate the effect of the introduction of preoperative warming...
November 2013: Paediatric Anaesthesia
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April 2013: Health Devices
Sondra Fettes, Mary Mulvaine, Elaine Van Doren
Unintended hypothermia in the surgical patient has been linked to numerous postoperative complications, including increased risk for surgical site infection, increased oxygen demands, and altered medication metabolism. The lack of literature on the subject was part of the impetus for perioperative nurses in one hospital to conduct a quality improvement project to evaluate the effectiveness of preoperative warming on patients' postoperative temperatures. We randomly assigned 128 patients to either a group that received a forced-air warming blanket preoperatively or a group that did not...
March 2013: AORN Journal
Xuelei Wu
Maintaining perioperative normothermia is important to ensure that a patient does not experience inadvertent hypothermia and its consequences, such as increased blood loss, cardiac abnormalities, prolonged recovery, and increased risk for wound infection. Many clinical guidelines recommend the use of forced-air warming as one of several techniques to prevent inadvertent perioperative hypothermia. Safe use of forced-air warming devices includes choosing the right device, assessing the patient for risks, protecting the patient from burn injuries, appropriately maintaining the patient's body temperature, and using the device as directed by the manufacturer's recommendations...
March 2013: AORN Journal
Klaus Kerwat, Karolin Piechowiak, Hinnerk Wulf
Nowadays almost all operating rooms are equipped with air conditioning (AC units). Their main purpose is climatization, like ventilation, moisturizing, cooling and also the warming of the room in large buildings. In operating rooms they have an additional function in the prevention of infections, especially the avoidance of postoperative wound infections. This is achieved by special filtration systems and by the creation of specific air currents. Since hypothermia is known to be an unambiguous factor for the development of postoperative wound infections, patients are often actively warmed intraoperatively using warm air blankets (forced-air warming units)...
January 2013: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
Vanessa de Brito Poveda, Alexander M Clark, Cristina M Galvão
AIMS AND OBJECTIVES: To analyse available research on the effectiveness of prewarming to prevent perioperative hypothermia and identify knowledge gaps for future research. BACKGROUND: Perioperative hypothermia is common and causes complications, such as coagulation and platelet function abnormalities; increased cardiac morbidity, surgical site infection, and pressure ulcer incidence levels. In this context, several methods have been investigated to prevent perioperative hypothermia, including prewarming...
April 2013: Journal of Clinical Nursing
Jed Duff, Renatta Di Staso, Kerry-Anne Cobbe, Nicole Draper, Simon Tan, Emma Halliday, Sandy Middleton, Lawrence Lam, Kim Walker
BACKGROUND: Patients having arthroscopic shoulder surgery frequently experience periods of inadvertent hypothermia. This common perioperative problem has been linked to adverse patient outcomes such as myocardial ischaemia, surgical site infection and coagulopathy. International perioperative guidelines recommend patient warming, using a forced air warming device, and the use of warmed intraoperative irrigation solutions for the prevention of hypothermia in at-risk patient groups. This trial will investigate the effect of these interventions on patients' temperature, thermal comfort, and total recovery time...
2012: BMC Surgery
Frank Lista, Chris D Doherty, Richard M Backstein, Jamil Ahmad
BACKGROUND: Perioperative hypothermia can lead to surgical complications, including bleeding, infection, increased patient discomfort, and longer recovery time. Plastic surgeons have become increasingly aware of this important patient safety issue. OBJECTIVES: The authors evaluate the impact of perioperative warming in an outpatient plastic surgery setting. METHODS: A retrospective review was performed of 108 patients who received several simple measures to prevent perioperative hypothermia...
July 2012: Aesthetic Surgery Journal
Annette Erichsen Andersson, Ingrid Bergh, Jón Karlsson, Bengt I Eriksson, Kerstin Nilsson
UNLABELLED: HASH(0x4941fa0) BACKGROUND: Current knowledge suggests that, by applying evidence-based measures relating to the correct use of prophylactic antibiotics, perioperative normothermia, urinary tract catheterization and hand hygiene, important contributions can be made to reducing the risk of postoperative infections and device-related infections. The aim of this study was to explore and describe the application of intraoperative evidence-based measures, designed to reduce the risk of infection...
2012: Patient Safety in Surgery
A J Legg, T Cannon, A J Hamer
Patient warming significantly decreases the risk of surgical site infection. Recently there have been concerns that forced air warming may interfere with unidirectional airflow, potentially posing an increased risk of infection. Our null hypothesis was that forced air and radiant warming devices do not increase the temperature and the number of particles over the surgical site when compared with no warming device. A forced air warming device was compared with a radiant warming device and no warming device as a control...
February 2012: Journal of Bone and Joint Surgery. British Volume
Hsiu-Ling Yang, Hsiu-Fang Lee, Tsung-Lane Chu, Yu-Yun Su, Lun-Hui Ho, Jun-Yu Fan
PURPOSE: The purpose of this study was to compare the time needed to reach a specified temperature and the efficiency of two warming methods-warm cotton blankets and a radiant warmer-for hypothermia patients in a postanesthetic care unit (PACU) after spinal surgery. DESIGN: This study was conducted according to a quasi-experimental design. Data were collected from a medical referral center in northern Taiwan. A total of 130 post-spinal surgery patients with hypothermia were recruited in the study...
March 2012: Journal of Nursing Scholarship
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