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Related Concept Videos

Spanning Openings in Brick Walls01:20

Spanning Openings in Brick Walls

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In brick wall construction, supporting structures are crucial for openings like windows and doors to maintain the integrity and support the weight of the wall above. These supports include lintels, corbels, and arches, each serving specific structural purposes.
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An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two variables. When one variable causes change in another, we call the first variable the explanatory or independent variable. The affected variable is called the response or dependent variable. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The...
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In a beam of charged particles created by a heated cathode, the particles move at different speeds. However, many applications need a beam with uniform particle speeds. An arrangement known as a velocity selector uses electric and magnetic fields to pick particles with a particular speed from the beam.
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When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
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Updated: Jan 30, 2026

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Carinal surgery: A single-institution experience spanning 2 decades.

Christina L Costantino1, Abraham D Geller2, Cameron D Wright1

  • 1Division of Thoracic Surgery, Massachusetts General Hospital, Boston, Mass.

The Journal of Thoracic and Cardiovascular Surgery
|February 3, 2019
PubMed
Summary
This summary is machine-generated.

Carinal resection is challenging but survivable. Pulmonary resection increases complication risk, emphasizing careful patient selection and surgical skill for better outcomes.

Keywords:
carinacarinal pneumonectomycarinal reconstructioncarinal resectionneocarina

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Area of Science:

  • Thoracic surgery
  • Surgical oncology
  • Cardiothoracic research

Background:

  • Carinal resection for neoplasms presents significant surgical challenges.
  • High operative morbidity and mortality rates are associated with these complex procedures.

Purpose of the Study:

  • To examine clinical experience and outcomes of carinal resection over two decades.
  • To identify risk factors for complications and assess overall survival after carinal resection.

Main Methods:

  • Retrospective review of medical records for patients undergoing carinal resection between 1997 and 2017.
  • Analysis of primary outcomes including risk factors for complications and overall survival.

Main Results:

  • 45 carinal resections were performed, with neocarinal reconstruction being the most common procedure (48%).
  • Postoperative complications occurred in 58% of patients, with pulmonary resection being a significant risk factor (P = .040).
  • Overall 30- and 90-day mortality rates were 6.8% and 7%, respectively, with 3 total deaths.

Conclusions:

  • Carinal resection remains a challenging procedure despite advancements in perioperative management.
  • Preoperative chemotherapy, radiation, and concomitant pulmonary resection are associated with increased complication risks.
  • Careful patient selection and meticulous surgical technique are crucial for minimizing morbidity and mortality.