Research Critique

Topics: Coronary artery bypass surgery, Atherosclerosis, Angina pectoris Pages: 5 (1578 words) Published: October 18, 2010
Table of contents


Quantitative Article Critique of Nursing Research 1
Problem Statement/Purpose 1
Literature Review 2
Limitations of the Study 2
Hypothesis/Research Question 3
Operational Definitions/Definition of Terms 4
Research Design 5
Setting, Population and Sample 5
Data Collection Methods/Instruments 6
Data Analysis, Findings, Implications, & Recommendations 7

References 8
Quantitative Article Critique of Nursing Research
The article selected for review in this investigation is entitled "Perioperative outcomes of coronary artery bypass grafting: Effects of metabolic syndrome and patient's sex." The article was published in the September 2009 edition of the American Journal of Critical Care and was written by Brackbill, Sytsma and Sykes. A review of pertinent background for the authors demonstrates that Brackbill and Sykes both posses Doctoral Degrees in pharmacology and are employed in this field. Further, Sytsma holds a Master of Science in Nursing and is currently the director of Winchester Medical Center’s Heart and Vascular Center in Winchester, Virginia. Problem Statement/Purpose

In reviewing the problem statement/purpose of the study, the researchers provide an extensive background on the impact of metabolic syndrome on outcomes for patients that have undergone coronary artery bypass graft (CABG) surgery. The authors note that extensive research in this area has demonstrated notable health issues and health complications for patients with metabolic syndrome who receive this treatment. However, the authors note that not much consideration has been given to the issue of gender in the research. With this in mind, the authors propose to compare outcomes for men and women that have metabolic syndrome and undergo coronary artery bypass graft surgery. Specifically, the authors consider outcomes for patients during the perioperative period. Literature Review

Examining the literature review provided by the authors, it is evident that brevity was the central focus of the review. The literature is presented in the context of the introduction for the study and only includes a total of 13 articles. Even though the literature review is somewhat shortened, an examination of the reference list does demonstrate that all articles used in the review were published between 2000 and 2008. In addition, the research included in the literature review came from empirical research on the subject which was published in peer reviewed journals. Overall, the authors have made good choices with regard to the selection of research. The data which is presented is just brief overall. Additional literature is used by the authors to support the discussion and findings reported in the research. Limitations of the Study

With regard to the limitations of the study, a review of the research provided indicates that the authors identified several issues which may have impacted outcomes of the investigation. Specifically, the authors note that one of the principle markers for metabolic syndrome-waist circumference-is not widely measured in the clinical setting. As such, body mass index (BMI) was used as a measure for identifying patients with metabolic syndrome. This redefinition of metabolic syndrome may have included patients in the study that do not meet clinical guidelines for metabolic syndrome. However, it was noted that individuals with high BMI-i.e. over 30-typically have waist circumferences which are commensurate with waist circumference measures used for diagnosing metabolic syndrome. Another limitation noted by the authors is determining specific types of outcomes for patients. In particular, the researchers report that the power of the study could not detect differences in outcomes which included: "deep sternal site infections, pneumonia, readmission rates and mortality" (p. 472)....
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