[Show abstract][Hide abstract] ABSTRACT: To systematically examine the evidence for interventions after the return of spontaneous circulation (ROSC) on outcomes from veterinary cardiopulmonary resuscitation and to determine important knowledge gaps.
Standardized, systematic evaluation of the literature, categorization of relevant articles according to level of evidence and quality, and development of consensus on conclusions for application of the concepts to clinical post-cardiac arrest care.
Academia, referral practice, and general practice.
Fifteen standardized clinical questions important for post-cardiac arrest care were asked and research articles relevant to answering these questions were identified through structured, explicit literature database searches. The majority of these articles report research in species other than dogs or cats or consisted of experimental work in canine cardiac arrest models. Outcome metrics reported in these studies widely varied and ranged from quantification of mechanistic endpoints, such as elaboration of reactive oxygen species, to survival, and functional neurologic outcome.
Despite the near complete absence of clinical veterinary studies, the process allowed the formulation of statements for several postcardiac arrest treatments that were either supportive, such as mild therapeutic hypothermia or controlled reoxygenation, or neutral, such as for mannitol administration or seizure prophylaxis. Evidence grading allowed transparency in regards to the strength of these recommendations. Moreover, numerous knowledge gaps emerged that will allow generation of a road map for progress in veterinary post-cardiac arrest care.
[Show abstract][Hide abstract] ABSTRACT: To systematically examine the evidence on patient monitoring before, during, and following veterinary CPR and to identify scientific knowledge gaps.
Standardized, systematic evaluation of the literature, categorization of relevant articles according to level of evidence and quality, and development of consensus on conclusions for application of the concepts to clinical practice. Relevant questions were answered on a worksheet template and reviewed by the Reassessment Campaign on Veterinary Resuscitation (RECOVER) monitoring domain members, by the RECOVER committee and opened for comments by veterinary professionals for 3 months.
Academia, referral practice, and general practice.
Eighteen worksheets evaluated monitoring practices relevant for diagnosing cardiopulmonary arrest (CPA), monitoring CPR efforts, identifying return of spontaneous circulation (ROSC), and post-ROSC monitoring.
Although veterinary clinical trials are lacking, experimental literature using canine models and human clinical trials provided relevant data. The major conclusions from this analysis of the literature highlight the utility of end-tidal carbon dioxide (EtCO(2)) monitoring to identify ROSC and possibly to evaluate quality of CPR. In addition, recommendations for ECG analysis during CPR were addressed. Unless the patient is instrumented at the time of CPA, other monitoring devices (eg, Doppler flow probe) are likely not useful for diagnosis of CPA, and the possibility of pulseless electrical activity makes ECG inappropriate as a sole diagnostic tool. Optimal monitoring of the intra- and postcardiac arrest patient remains to be determined in clinical veterinary medicine, and further evaluation of the prognostic and prescriptive utility of EtCO(2) monitoring will provide material for future studies in veterinary CPR.
[Show abstract][Hide abstract] ABSTRACT: To describe the methodology used by the Reassessment Campaign on Veterinary Resuscitation (RECOVER) to evaluate the scientific evidence relevant to small animal CPR and to compose consensus-based clinical CPR guidelines for dogs and cats.
This report is part of a series of 7 articles on the RECOVER evidence and knowledge gap analysis and consensus-based small animal CPR guidelines. It describes the organizational structure of RECOVER, the evaluation process employed, consisting of standardized literature searches, the analysis of relevant articles according to study design, species and predefined quality markers, and the drafting of clinical CPR guidelines based on these data. Therefore, this article serves as the methodology section for the subsequent 6 RECOVER articles.
Academia, referral practice.
RECOVER is a collaborative initiative that systematically evaluated the evidence on 74 topics relevant to small animal CPR and generated 101 clinical CPR guidelines from this analysis. All primary contributors were veterinary specialists, approximately evenly split between academic institutions and private referral practices. The evidence evaluation and guideline drafting processes were conducted according to a predefined sequence of steps designed to reduce bias and increase the repeatability of the findings, including multiple levels of review, culminating in a consensus process. Many knowledge gaps were identified that will allow prioritization of research efforts in veterinary CPR.
Collaborative systematic evidence review is organizationally challenging but feasible and effective in veterinary medicine. More experience is needed to refine the process.
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