Care for the critically ill patient requires maintenance of adequate tissue perfusion/oxygenation. Continuous hemodynamic monitoring is frequently utilized to achieve these objectives. Pulmonary artery catheters (PAC) allow measurement of hemodynamic variables that cannot be measured reliably or continuously by less invasive means. Inherent to every medical intervention are risks associated with that intervention. This review categorizes complications associated with the PAC into four broad groups--complications of central venous access; complications related to PAC insertion and manipulation; complications associated with short- or long-term presence of the PAC in the cardiovascular system; and errors resulting from incorrect interpretation/use of PAC-derived data. We will discuss each of these four broad categories, followed by in-depth descriptions of the most common and most serious individual complications.
Given the increasing complexity of both the modern health care environment and the overall patient population, reduction of medical errors is a high priority task for health policy makers and medical/surgical community alike. The problem of retained surgical foreign bodies (RSFB) has existed ever since the humans first performed surgical procedures. Retained surgical foreign bodies continue to be a significant problem with an incidence between 0.3 and 1.0 per 1,000 abdominal operations. Retained surgical foreign bodies have the potential to cause harm to the patient and carry profound professional and medico-legal consequences to surgical trainees, surgical practitioners, hospitals, and health systems. Currently, there are no known methods of entirely eliminating the occurrence of RSFB. In this manuscript, the authors discuss the available evidence with regards to risk factors associated with RSFB as well as methods of minimizing the incidence of RSFB. Modern technological advances designed to decrease the incidence of RSFB (radio-frequency tagging of surgical sponges) and improved perioperative patient processing (multiple 'checks and balances' and better provider-to-provider communication) are reviewed. The authors also explore the relationship between RSFB and surgical training with emphasis on education in early recognition, prevention, and focus on team-oriented training strategies.
Purpose The relevance of new-onset atrial fibrillation (AF) after esophagectomy remains poorly defined. This study’s primary goal is to better define the incidence, clinical patterns, and outcomes associated with the development of AF after esophagectomy. Methods The study is a retrospective review of patients undergoing esophagectomy at a single academic center between May 1996 and December 2007. Patients with new-onset AF were evaluated by univariate and multivariate analyses for risk factors associated with AF onset and outcomes. Results New-onset AF was noted in 32 of 156 (20.5%) patients after esophagectomy. Most (16/32, 50%) developed AF within 48 h, and 28 of 32 (87.5%) developed new AF within 72 h of surgery. Pulmonary complications were more frequent in patients with AF than those without AF (59.4% vs. 15.3%, P < 0.01) and usually immediately preceded or occurred concurrently with AF. Anastomotic leaks were significantly more common in patients with AF than those without (28.1% vs. 6.45%, P < 0.01) and were identified, on average, 4.2 days after the onset of AF. In the multivariate analysis, anastomotic leaks, pulmonary complications, and number of complications were significantly associated with AF. Although 60-day survival was worse for patients developing AF (P < 0.01), multivariate analysis suggests that non-AF complications were the independent predictor of mortality. Conclusion New-onset AF after esophagectomy is associated with anastomotic leaks, pulmonary complications, and decreased 60-day survival. Although pulmonary complications typically occurred coincident with the onset of AF, anastomotic leaks were usually diagnosed 4 days after AF onset. New postesophagectomy AF should prompt vigilance for the presence of other concurrent complications.
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According to the practice guidelines of the American Burn Association on burn shock resuscitation, intravenous (IV) fluid therapy is the standard of care for the replacement of fluid and electrolyte losses in burn injury of ≥20% of the total body surface area. However, in mass burn casualties, IV fluid resuscitation may be delayed or unavailable. Oral rehydration therapy (ORT), which has been shown to be highly effective in the treatment of dehydration in epidemics of cholera, could be an alternate way to replace fluid losses in burns. A prospective case series of three patients was carried out as an initial step to establish whether oral Ceralyte®90 could replace fluid losses requiring IV fluid therapy in thermal injury. The requirement of the continuing IV fluid therapy was reduced by an average of 58% in the first 24 hours after the injury (range 37-78%). ORT may be a feasible alternative to IV fluid therapy in the resuscitation of burns. It could also potentially save many lives in mass casualty situations or in resource-poor settings where IV fluid therapy is not immediately available. Further studies are needed to assess the efficacy of this treatment and to determine whether the present formulations of ORT for cholera need modification.
The first description of the flow-directed pulmonary artery catheter (PAC) was published in the 1970s by Jeremy Swan and William Ganz. Ever since its clinical debut, many controversies surrounded the use of the PAC. Regardless of these controversies, the most fundamental issues surrounding this hemodynamic monitoring device remain unresolved, including the exact indications, contraindications, identification of patients who potentially benefit from this technology, and the way we interpret and use PAC-derived parameters. Despite recent intensification of attacks against the use of the PAC by its opponents, it seems overly harsh to discount a technology that might be beneficial in appropriately selected clinical situations, especially when considering the fact that our true knowledge of this technology is somewhat limited. In fact, the PAC may still play an important role considering the resurgence of the concepts of euvolemic resuscitation and hemodynamic sufficiency.Republished with Permission from: Stawicki SP, Prosciak MP. The pulmonary artery catheter in 2008 – a (finally) maturing modality? OPUS 12 Scientist 2008;2(4):5-9.
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