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

Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

2.3K
Nasopharyngeal suctioning is a procedure to remove secretions from the upper part of the respiratory tract that the patient cannot clear independently. It helps maintain airway patency and prevents complications such as aspiration pneumonia.
Equipment Required
2.3K
Adrenergic Agonists: Therapeutic Uses01:30

Adrenergic Agonists: Therapeutic Uses

1.5K
Adrenergic agonists have diverse therapeutic uses across various medical conditions and emergencies.
Emergency and Intensive Care Unit (ICU) applications: Pressor agents increase blood pressure, heart rate, and contractility in shock and organ failure situations. Dopamine can induce vasodilation and stimulate adrenoceptors. Endogenous catecholamines are effective in treating cardiogenic shock. α2-agonists like clonidine can reverse anesthesia-induced hypertension.
Allergies and...
1.5K
Sympathetic Activation01:16

Sympathetic Activation

6.4K
The sympathetic division can influence tissues and organs by releasing norepinephrine at peripheral synapses and distributing epinephrine and norepinephrine through the bloodstream. In times of crisis or stress, sympathetic activation occurs, which is regulated by sympathetic centers in the hypothalamus. As a result, sympathetic activation prepares the body for physical exertion, rapid ATP production, and heightened alertness, allowing individuals to respond effectively to challenging or...
6.4K
Cholinergic Antagonists: Pharmacological Actions01:28

Cholinergic Antagonists: Pharmacological Actions

1.5K
Antimuscarinic drugs block muscarinic receptors in multiple systems, including the gut, eye, smooth muscles, respiratory tract, cardiovascular, and central nervous systems. They produce similar effects with varying selectivity depending on the specific agent and tissue. Here are the key pharmacological actions of antimuscarinics:
Gastrointestinal Effects: Antimuscarinics reduce gut contractions, increase gastric emptying, and slow intestinal transit. They partly inhibit gastric acid secretion...
1.5K
Depolarizing Blockers: Pharmocokinetics01:19

Depolarizing Blockers: Pharmocokinetics

507
Depolarizing blockers are administered through intravenous injection. Succinylcholine is the most common choice of depolarizing blockers in emergency clinical practices. Although they have a rapid onset, they readily diffuse away from the motor end plate into the extracellular fluid. They are metabolized by enzymes such as liver butyrylcholinesterase and plasma pseudocholinesterases. This produces a short duration of action, typically 5-10 minutes long, unlike nondepolarizing blockers, which...
507
Skeletal Muscle Relaxants: Therapeutic Uses01:31

Skeletal Muscle Relaxants: Therapeutic Uses

797
Skeletal muscle relaxants are used to relax muscle tone and alleviate painful muscle contractions. However, the choice of skeletal muscle relaxants depends on the duration of the surgical procedure in order to minimize potential side effects. Skeletal muscle relaxants like neuromuscular blocking agents [NMBAs] are commonly employed as adjuvants alongside general anesthetics in clinical settings. NMBAs are also used to maintain controlled ventilation during surgery of the larynx or pharynx...
797

You might also read

Related Articles

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

Sort by
Same author

A retrospective study comparing T3 ganglionectomy and R4 sympathicotomy for reducing compensatory hyperhidrosis in primary palmar hyperhidrosis.

Journal of thoracic disease·2026
Same author

Restrictive lung function and smoking increase lung cancer risk in tuberculosis survivors: a cohort study.

The Korean journal of internal medicine·2026
Same author

Outcomes of Pleural Sealant Application in Pneumothorax Surgery: A Comparative Analysis.

Journal of chest surgery·2026
Same author

A Giant Traumatic Pneumatocele Manifesting as Hemoptysis in an Adolescent: A Case Report.

Journal of chest surgery·2025
Same author

Percutaneous radiologic gastrostomy via Ultrasound-Guided direct puncture in patients without a nasogastric tube.

Abdominal radiology (New York)·2025
Same author

Comparison of the Outcomes of Double-Bar and Non-Double-Bar Techniques in the Minimally Invasive Repair of Pectus Excavatum: A Focus on Bar Removal and Complications.

Journal of clinical medicine·2025

Related Experiment Video

Updated: Dec 15, 2025

Targeting Gray Rami Communicantes in Selective Chemical Lumbar Sympathectomy
03:59

Targeting Gray Rami Communicantes in Selective Chemical Lumbar Sympathectomy

Published on: January 10, 2019

7.5K

To avoid compensatory hyperhidrosis after sympathetic surgery for craniofacial hyperhidrosis.

Duk Hwan Moon1, Du-Young Kang2, Hye Sun Lee3

  • 1Department of Thoracic and Cardiovascular Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.

Journal of Thoracic Disease
|July 10, 2020
PubMed
Summary

Heart rate variability (HRV) testing can predict compensatory hyperhidrosis (CH) after endoscopic thoracic sympathectomy (ETS) for craniofacial hyperhidrosis (CFH). Preoperative HRV analysis, specifically the LF/HF ratio, helps identify patients at risk for severe CH.

Keywords:
Craniofacial hyperhidrosis (CFH)compensatory hyperhidrosis (CS)endoscopic thoracic sympathectomy (ETS)heart rate variability test (HRV)

More Related Videos

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

19.3K
Ethanol-Induced Cervical Sympathetic Ganglion Block Applications for Promoting Canine Inferior Alveolar Nerve Regeneration Using an Artificial Nerve
06:48

Ethanol-Induced Cervical Sympathetic Ganglion Block Applications for Promoting Canine Inferior Alveolar Nerve Regeneration Using an Artificial Nerve

Published on: November 30, 2018

9.1K

Related Experiment Videos

Last Updated: Dec 15, 2025

Targeting Gray Rami Communicantes in Selective Chemical Lumbar Sympathectomy
03:59

Targeting Gray Rami Communicantes in Selective Chemical Lumbar Sympathectomy

Published on: January 10, 2019

7.5K
Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

19.3K
Ethanol-Induced Cervical Sympathetic Ganglion Block Applications for Promoting Canine Inferior Alveolar Nerve Regeneration Using an Artificial Nerve
06:48

Ethanol-Induced Cervical Sympathetic Ganglion Block Applications for Promoting Canine Inferior Alveolar Nerve Regeneration Using an Artificial Nerve

Published on: November 30, 2018

9.1K

Area of Science:

  • Cardiovascular Physiology
  • Autonomic Nervous System Function
  • Surgical Outcomes Research

Background:

  • Endoscopic thoracic sympathectomy (ETS) is a treatment for craniofacial hyperhidrosis (CFH), but compensatory hyperhidrosis (CH) is a common complication.
  • Predicting CH post-ETS remains a challenge, limiting wider adoption of the procedure.

Purpose of the Study:

  • To investigate the utility of preoperative heart rate variability (HRV) testing in predicting the development of CH after ETS in CFH patients.
  • To determine if autonomic nerve analysis via HRV can identify individuals at higher risk for severe CH.

Main Methods:

  • A prospective observational study included 53 CFH patients undergoing ETS with preoperative HRV testing.
  • Patients were assessed for CH severity (none, mild, moderate, severe) three months postoperatively.
  • Analysis focused on HRV parameters, particularly the low frequency/high frequency (LF/HF) ratio, to correlate with CH grades.

Main Results:

  • Nearly half (49.1%) of patients experienced moderate to severe CH post-ETS.
  • The LF/HF ratio was the only HRV parameter significantly associated with CH severity (P=0.025).
  • Patients with severe CH predominantly showed an LF/HF ratio outside the 0.66-2.60 range, indicating autonomic dysfunction.

Conclusions:

  • Preoperative HRV testing, specifically the LF/HF ratio, is a valuable tool for predicting severe compensatory hyperhidrosis after ETS in CFH patients.
  • This predictive capability may aid in patient selection and management strategies for ETS.