Related Experiment Video

Updated: Jan 31, 2026

Author Spotlight: Advancing Cardiovascular Research — Tailored Langendorff Perfusion Techniques for Improved Experimental Outcomes
06:22

Author Spotlight: Advancing Cardiovascular Research — Tailored Langendorff Perfusion Techniques for Improved Experimental Outcomes

Published on: June 14, 2024

1.9K

Door-to-balloon time and the determining factors in a tertiary cardiac center in Nepal

Sachin Dhungel1, Rabi Malla2, Chandramani Adhikari2

  • 1College of Medical Sciences, Nepal; Interventional Cardiology Fellow Training, SGNHC, Nepal.

Indian Heart Journal
|January 1, 2019
PubMed

Insights

The median door-to-balloon time for primary angioplasty was 79 minutes, falling below the 90-minute benchmark. Key factors influencing this time were hospital visit timing and patient transfer status.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Public Health

Background:

  • Door-to-balloon (DTB) time is a critical metric in primary angioplasty, with a 90-minute benchmark.
  • Shorter DTB times are associated with improved clinical outcomes.
  • Longer DTB times can lead to poorer patient prognosis.

Purpose of the Study:

  • To evaluate the median DTB time in patients undergoing primary angioplasty.
  • To identify factors influencing DTB time.
  • To assess adherence to the 90-minute benchmark.

Main Methods:

  • A 3-month cross-sectional observational study was conducted at Shahid Gangalal National Heart Center.
  • Included all patients undergoing primary angioplasty.
  • DTB time was calculated, and various potential determinants were analyzed.

Main Results:

  • The median DTB time was 79 minutes (IQR 59-115 min), with 58.2% of patients achieving <90 min.
  • Significant variations in DTB time were observed based on direct vs. transfer status (p=0.029) and office vs. off-hours visits (p=0.012).
  • No significant differences in DTB time were found related to infarct-related vessels, number of vessels involved, added procedures, age, gender, hypertension, diabetes, heart failure, or LVEF.

Conclusions:

  • The median DTB time for primary angioplasty in this study was below the 90-minute benchmark.
  • Hospital visit timing and patient origin (direct admission vs. transfer) were significant determinants of DTB time.
  • Opportunities exist to further optimize factors influencing DTB time to achieve even shorter durations.
Abstract

Keywords:
Direct vs. transferDoor-to-balloon timeOffice time vs. off timeRadial vs. femoral

More Related Videos

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery04:48

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery

Published on: November 28, 2018

8.4K
The Intra-Aortic Balloon Pump06:13

The Intra-Aortic Balloon Pump

Published on: February 5, 2021

24.7K

Related Concept Videos

Other Factors Affecting Respiration Centers01:17

Other Factors Affecting Respiration Centers

Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
1.6K
Chemical Factors Affecting Respiration Centers01:31

Chemical Factors Affecting Respiration Centers

Chemical factors such as changing CO2, O2, and H+ levels in arterial blood play a critical role in influencing respiration depth and rates. These variations are detected by chemoreceptors—specialized sensors located in two primary body areas. Central chemoreceptors are found throughout the brain stem, including the ventrolateral medulla, while peripheral chemoreceptors are located in the aortic arch and carotid arteries.
CO2 has a potent influence on respiration and is strictly regulated....
2.4K
Tertiary Healthcare System01:21

Tertiary Healthcare System

Specialized care provided over an extended period is called tertiary care. Usually, a primary or secondary care physician will refer a patient to tertiary care. A patient's maximum physical and mental function is restored in tertiary care, which is caused due to the impact of a chronic illness or condition. Tertiary care aims to achieve the highest level of functioning possible while managing chronic illness. For example, a patient who falls and fractures their hip will need secondary care...
2.2K
Nomenclature of Secondary and Tertiary Amines01:12

Nomenclature of Secondary and Tertiary Amines

The secondary and tertiary amines are derivatives of ammonia, where two and three of its hydrogens are replaced by alkyl groups, respectively. Secondary and tertiary amines can be symmetrical with identical alkyl groups attached to the nitrogen atom or unsymmetrical when more than one type of alkyl group is present. The standard nomenclature of secondary and tertiary amines is similar to the names given to the primary amines. They are generally named alkylamines. As depicted in Figure 1, for...
5.2K
Lattice Centering and Coordination Number02:33

Lattice Centering and Coordination Number

The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...
11.6K
Center of Gravity00:58

Center of Gravity

The center of gravity (COG) of an object is the point where the object's total weight is considered to be concentrated. Knowing the location of the center of gravity is useful when predicting the behavior of a moving object or designing static structures. In a uniform gravitational field, the center of gravity is similar to the center of mass (COM); yet, these two points can be positioned differently. For example, the Moon's center of mass lies very close to its geometric center, but...
6.7K