Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Wald-Wolfowitz Runs Test II01:17

Wald-Wolfowitz Runs Test II

567
The Wald-Wolfowitz runs test, commonly referred to as the runs test, is a nonparametric test used to assess the randomness of ordered data. The test evaluates the number of runs, which are consecutive sequences of similar elements within the data. If the number of runs is significantly higher or lower than expected, the data is considered non-random, indicating a detectable pattern or structure.
For binary data, runs are identified using symbols such as + and −, or equivalently, 1s and 0s. In...
567
Wald-Wolfowitz Runs Test I01:17

Wald-Wolfowitz Runs Test I

977
The Wald-Wolfowitz test, also known as the runs test, is a nonparametric statistical test used to assess the randomness of a sequence of two different types of elements (e.g., positive/negative values, successes/failures). It examines whether the order of the elements in a sequence is random or if there is a pattern or trend present. This nonparametric test applies to any ordered data despite the population and sample data distribution, even if a higher sample size is available.
The test works...
977
Seedless Vascular Plants03:24

Seedless Vascular Plants

68.0K
Seedless Vascular Plants Were the First Tall Plants on Earth
68.0K
Vascular Spasm01:16

Vascular Spasm

3.8K
The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
3.8K
Overview of the Vascular System01:20

Overview of the Vascular System

3.6K
The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
3.6K
Vascular Resistance01:20

Vascular Resistance

11.4K
Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
11.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Tumor and Stromal Sphingolipid Imbalance Are Associated with T Cell Tissue Residency in Glioblastoma.

Cancers·2026
Same author

Basal ganglia glioblastoma with lung adenocarcinoma tumor-to-tumor metastasis and atypical early imaging presentation: illustrative case.

Journal of neurosurgery. Case lessons·2026
Same author

Multi-Center, Multi-National Outcomes Following Endoscopic Endonasal Resection of Nonfunctional Pituitary Adenomas.

Journal of neurological surgery. Part B, Skull base·2026
Same author

Ventricular entry and postoperative leptomeningeal metastasis after resection of supratentorial high-grade glioma.

Journal of neurosurgery·2026
Same author

Rotational ultrasound and photoacoustic tomography of the human body.

Nature biomedical engineering·2026
Same author

Engineering focused ultrasound for glioblastoma.

Brain stimulation·2025

Related Experiment Video

Updated: Feb 16, 2026

Roux-en-Y Gastric Bypass Operation in Rats
07:37

Roux-en-Y Gastric Bypass Operation in Rats

Published on: June 11, 2012

24.4K

Running-to-Interrupted Microsuture Technique for Vascular Bypass.

Robert C Rennert1, Ben A Strickland2, Ryan E Radwanski2

  • 1Department of Neurological Surgery, University of California San Diego, San Diego, California.

Operative Neurosurgery (Hagerstown, Md.)
|January 9, 2018
PubMed
Summary

A novel running-to-interrupted microsuture technique offers an efficient method for neurosurgical bypass procedures. This approach optimizes microvascular anastomosis, reducing brain ischemia time for better patient outcomes.

More Related Videos

Cardiopulmonary Bypass in a Mouse Model: A Novel Approach
08:08

Cardiopulmonary Bypass in a Mouse Model: A Novel Approach

Published on: September 22, 2017

11.7K
One-anastomosis Gastric Bypass OAGB in Rats
08:16

One-anastomosis Gastric Bypass OAGB in Rats

Published on: November 10, 2018

11.5K

Related Experiment Videos

Last Updated: Feb 16, 2026

Roux-en-Y Gastric Bypass Operation in Rats
07:37

Roux-en-Y Gastric Bypass Operation in Rats

Published on: June 11, 2012

24.4K
Cardiopulmonary Bypass in a Mouse Model: A Novel Approach
08:08

Cardiopulmonary Bypass in a Mouse Model: A Novel Approach

Published on: September 22, 2017

11.7K
One-anastomosis Gastric Bypass OAGB in Rats
08:16

One-anastomosis Gastric Bypass OAGB in Rats

Published on: November 10, 2018

11.5K

Area of Science:

  • Neurosurgery
  • Vascular Surgery
  • Microsurgery

Background:

  • Debate exists regarding the optimal suturing technique for microvascular anastomosis in neurosurgical bypass.
  • Simple interrupted sutures offer high patency but are time-consuming; running sutures are faster but may compromise patency.

Observation:

  • A modified spiral anastomosis technique, termed running-to-interrupted microsuture, is presented.
  • This method involves placing running sutures between anchor stitches, then cutting and tying loops to form interrupted stitches.

Findings:

  • The running-to-interrupted technique is rapidly learned and minimizes extraneous movements.
  • This method has been successfully applied in numerous cerebral arterial bypass procedures.

Implications:

  • This technique can enhance microsurgical efficiency for neurovascular surgeons.
  • Adoption of this method may reduce anastomosis-related brain ischemia times, improving patient safety.