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Pumped Concrete01:13

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Concrete in large quantities can be pumped across long distances for placing in inaccessible sites. This system comprises a hopper that receives concrete from a mixer, a pump to propel the concrete, and pipelines that facilitate its delivery.
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ATP Driven Pumps II: P-type Pumps01:34

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The P-type pumps are a large family of integral membrane transporter ATPases. They are divided into five major types based on substrate specificity, from I to V.
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In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
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ATP Driven Pumps III: V-type Pumps01:30

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V-type pumps are ATP-driven pumps found in the vacuolar membranes of plants, yeast, endosomal and lysosomal membranes of animal cells, plasma membranes of a few specialized eukaryotic cells, and some prokaryotes. They are also known as the V1Vo-ATPase, that couple ATP hydrolysis to transport protons against a concentration gradient.
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An experience with off pump technique for repair of anomalous left coronary artery from pulmonary artery (ALCAPA).

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Updated: Mar 22, 2026

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices
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High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

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Bypassing the Pump.

Suresh V Joshi1, Abhijeet V Naik1, Parag S Bhalgat1

  • 11 Department of Pediatric and Congenital Heart Centre, New Age Wockhardt Hospital, Mumbai Central, Mumbai, India.

World Journal for Pediatric & Congenital Heart Surgery
|April 22, 2016
PubMed
Summary
This summary is machine-generated.

A novel surgical technique for anomalous left coronary artery from the pulmonary artery showed excellent six-year outcomes. This less invasive approach offers a promising alternative for infants, reducing hospital stay and economic burden.

Keywords:
anastomosiscongenital heart surgerycoronary artery surgeryimaging (all modalities)

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Area of Science:

  • Pediatric Cardiac Surgery
  • Congenital Heart Disease
  • Vascular Anastomosis

Background:

  • Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital heart defect.
  • Traditional surgical repair often involves coronary translocation, which can be complex.
  • Off-pump techniques are being explored to minimize surgical invasiveness.

Observation:

  • A six-year follow-up of an infant treated for ALCAPA using a left subclavian artery to left anterior descending artery (LSA-LAD) anastomosis.
  • The procedure was performed without cardiopulmonary bypass.
  • Patient assessment included clinical status, echocardiography, angiography, and exercise tolerance testing.

Findings:

  • The patient demonstrated normal clinical status at six-year follow-up.
  • Echocardiography, angiography, and treadmill exercise tests were all within normal limits.
  • The LSA-LAD anastomosis proved to be a successful and durable repair.

Implications:

  • This off-pump LSA-LAD anastomosis technique presents a viable alternative to coronary translocation for ALCAPA.
  • The approach may offer reduced morbidity, shorter hospital stays, and lower costs.
  • This method holds particular promise for resource-limited settings and developing nations.