Related Experiment Video
Updated: Feb 7, 2026
08:32
Using Computer-based Image Analysis to Improve Quantification of Lung Metastasis in the 4T1 Breast Cancer Model
Published on: October 2, 2020
7.0K
More Frequent Surveillance Following Lung Cancer Resection Is Not Associated With Improved Survival: A Nationally
Timothy L McMurry1, George J Stukenborg1, Larry G Kessler2
1Department of Public Health Sciences, University of Virginia Health System, Charlottesville, VA.
Annals of Surgery
|July 14, 2018
Summary
More frequent surveillance after non-small cell lung cancer (NSCLC) surgery does not improve survival. These findings impact healthcare costs and patient management for lung cancer survivors.
Area of Science:
- Oncology
- Public Health
- Medical Imaging
Background:
- Current surveillance guidelines for non-small cell lung cancer (NSCLC) post-surgery lack robust evidence.
- Guidelines vary significantly, relying on expert opinion rather than data.
Purpose of the Study:
- To determine if increased surveillance intensity after NSCLC resection correlates with improved patient survival.
- To analyze the association between postsurgical surveillance frequency and overall survival, as well as survival after recurrence.
Main Methods:
- Utilized data from a Special Study of the National Cancer Database, including 4463 stage I-III NSCLC patients diagnosed 2006-2007.
- Patients were categorized into surveillance groups (3-month, 6-month, annual) based on postsurgical imaging frequency.
- Cox Proportional Hazards Models were employed to analyze overall survival and survival after recurrence.
Main Results:
- Higher-stage NSCLC patients received more frequent surveillance.
- No significant association was found between more frequent surveillance (6-month or annual scans) and longer risk-adjusted overall survival compared to 3-month surveillance.
- Increased imaging frequency did not correlate with improved survival after recurrence.
Conclusions:
- Nationally representative data suggest that intensified postsurgical surveillance for NSCLC does not enhance survival outcomes.
- The findings highlight the need to re-evaluate current surveillance protocols for lung cancer survivors.
- Optimizing surveillance strategies is crucial given the rising number of cancer survivors and associated healthcare expenditures.
Related Concept Videos
01:21Cancer Survival Analysis
769
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
769
02:13The Representativeness Heuristic
16.8K
The representative heuristic describes a biased way of thinking, in which you unintentionally stereotype someone or something. For example, you may assume that your professors spend their free time reading books and engaging in intellectual conversation, because the idea of them spending their time playing volleyball or visiting an amusement park does not fit in with your stereotypes of professors.
16.8K
01:26National Nursing Organizations I
3.1K
Nursing organizations assume a significant role in consistently developing the nursing profession through education, research studies, establishing practice standards, and reforming health policies. Typically, nursing organizations operate at the regional, national, and international levels. For example, the International Council of Nurses (ICN) represents more than 28 million nurses worldwide. In contrast, the American Nurses Association (ANA) is a membership organization representing nurses...
3.1K
01:30National Nursing Organizations II
2.1K
Nursing organizations play a vital role in representing nurses working in specialized clinical settings, such as the American Association of Critical-Care Nurses (AACN).
The AACN emphasizes a healthy work environment through six standards to achieve an optimal patient outcome. The standards are appropriate staffing, meaningful recognition, collaboration, authentic leadership, effective communication, and decision-making. In addition, AACN provides certification programs, webinars, journals, and...
The AACN emphasizes a healthy work environment through six standards to achieve an optimal patient outcome. The standards are appropriate staffing, meaningful recognition, collaboration, authentic leadership, effective communication, and decision-making. In addition, AACN provides certification programs, webinars, journals, and...
2.1K
01:26Principles of Disease Surveillance
563
Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
563
01:18Survival Curves
722
Survival curves are graphical representations that depict the survival experience of a population over time, offering an intuitive way to track the proportion of individuals who remain event-free at each time point. These curves are widely used in fields such as medicine, public health, and reliability engineering to visualize and compare survival probabilities across different groups or conditions.
The Kaplan-Meier estimator is the most common method for constructing survival curves. This...
The Kaplan-Meier estimator is the most common method for constructing survival curves. This...
722