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

Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

696
DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
696
IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations01:08

IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations

1.8K
Identical bonds within a polyatomic group can stretch symmetrically (in-phase) or asymmetrically (out-of-phase). Similar to hydrogen bonding, these vibrations also influence the shape of the IR peak. Generally, asymmetric stretching frequencies are higher than symmetric stretching frequencies. For example, primary amines exhibit two distinct IR peaks between 3300–3500 cm−1 corresponding to the symmetric and asymmetric N-H stretching, while secondary amines exhibit a single...
1.8K
IR Spectrum Peak Intensity: Amount of IR-Active Bonds00:55

IR Spectrum Peak Intensity: Amount of IR-Active Bonds

1.0K
When infrared radiation is passed through a molecule, absorption occurs if the molecule's vibration leads to a substantial change in its bond dipole moment. Transitions between vibrational energy levels, typically corresponding to infrared frequencies (4000–400 cm−1), allow absorption if the vibration significantly alters the dipole moment, making the molecule infrared active. The molecular bonds have different stretching and bending vibrations, resulting in various peaks with...
1.0K
IR Spectrum Peak Broadening: Hydrogen Bonding01:23

IR Spectrum Peak Broadening: Hydrogen Bonding

1.8K
The vibrational frequency of a bond is directly proportional to its bond strength. As a result, stronger bonds vibrate at higher frequencies, while weaker bonds vibrate at lower frequencies. The stretching vibration of the strong O–H bond in alcohols and phenols (very dilute solution or gas phase) appears as a sharp peak at 3600–3650 cm−1.
However, the extent of hydrogen bonding influences the observed stretching frequency and band broadening. Intermolecular or intramolecular...
1.8K
IR Spectrum Peak Intensity: Dipole Moment01:20

IR Spectrum Peak Intensity: Dipole Moment

1.4K
The dipole moment of a bond is the product of the partial charge on either atom and the distance between them. Dipole moments influence the efficiency of IR absorption and the peak intensity. When a bond with a dipole moment is placed in an electric field, the direction of the field determines if the bond is compressed or stretched. Electromagnetic radiation consists of an electric field component that rapidly reverses direction. It follows that polar bonds are alternately stretched and...
1.4K
Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: Symptoms, Diagnosis, and Complications

2.1K
For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is...
2.1K

You might also read

Related Articles

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

Sort by
Same author

Endoscopic papillectomy for ampullary adenomas in familial adenomatous polyposis.

Familial cancer·2025
Same author

Long term functional outcome for the cubital tunnel syndrome after endoscopic assisted release of the ulnar nerve.

Archives of orthopaedic and trauma surgery·2024
Same author

Treatment of Klippel-Feil syndrome with symptomatic atlantoaxial instability in a 7-year-old boy : A case report.

Orthopadie (Heidelberg, Germany)·2024
Same author

Calotropis procera (L.) mediated synthesis of AgNPs and their application to control leaf spot of Hibiscus rosa-sinensis (L.).

Brazilian journal of biology = Revista brasleira de biologia·2022
Same author

Morphological and molecular evidences of Ascaridia galli in migratory quail Coturnix coturnix japonica from Baluchistan Pakistan.

Brazilian journal of biology = Revista brasleira de biologia·2022
Same author

[Mid- to long-term functional results after Bowers' hemiresection interposition arthroplasty of the distal radio-ulnar joint].

Orthopadie (Heidelberg, Germany)·2022

Related Experiment Video

Updated: Jan 21, 2026

An Anesthesia, Surgery, and Harvest Method for the Evaluation of Transpedicular Screws Using an In Vivo Porcine Lumbar Spine Model
09:07

An Anesthesia, Surgery, and Harvest Method for the Evaluation of Transpedicular Screws Using an In Vivo Porcine Lumbar Spine Model

Published on: May 31, 2017

8.0K

[Peak timing for complications after spine surgery].

W Pepke1, C Wantia1, H Almansour1

  • 1Klinik für Orthopädie und Unfallchirurgie, Zentrum für Wirbelsäulenchirurgie, Universitätsmedizin Heidelberg, Schlierbacher Landstr. 200a, 69118, Heidelberg, Deutschland.

Der Orthopade
|July 27, 2019
PubMed
Summary

Most spine surgery complications occur within 3 months post-operation, with infection being the most common. However, material failure peaks in the second year, necessitating long-term follow-up for spinal instrumentation patients.

Keywords:
AftercareProsthesis failureSpine surgerySpondylodesisWound infection

More Related Videos

Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF
08:34

Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF

Published on: October 17, 2025

446
A Mouse Model of Lumbar Spine Instability
05:28

A Mouse Model of Lumbar Spine Instability

Published on: April 23, 2021

9.0K

Related Experiment Videos

Last Updated: Jan 21, 2026

An Anesthesia, Surgery, and Harvest Method for the Evaluation of Transpedicular Screws Using an In Vivo Porcine Lumbar Spine Model
09:07

An Anesthesia, Surgery, and Harvest Method for the Evaluation of Transpedicular Screws Using an In Vivo Porcine Lumbar Spine Model

Published on: May 31, 2017

8.0K
Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF
08:34

Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF

Published on: October 17, 2025

446
A Mouse Model of Lumbar Spine Instability
05:28

A Mouse Model of Lumbar Spine Instability

Published on: April 23, 2021

9.0K

Area of Science:

  • Spine Surgery
  • Orthopedics
  • Neurosurgery

Background:

  • Post-operative complications following spine surgery are common.
  • The peak timing of these complications is not well-defined.
  • Understanding complication timing is vital for patient education and follow-up.

Purpose of the Study:

  • To determine the peak timing of post-operative complications after spinal instrumentation.
  • To identify the most frequent complications and their onset.
  • To inform post-operative care strategies.

Main Methods:

  • Analysis of medical records from 1179 patients undergoing spinal instrumentation (2010-2015).
  • Complications were tracked at 3, 6, 12, 24, and 36 months post-surgery.
  • Data on complication type, timing, and need for revision surgery were collected.

Main Results:

  • 16.9% of patients required revision surgery due to complications.
  • The majority of complications (72.9%) occurred within the first 3 months.
  • Infection was the leading cause for revision (42.7%), with 91.8% occurring early.
  • Material failure peaked in the second post-operative year (46% of failures).

Conclusions:

  • Post-spinal instrumentation complications predominantly occur within the first 3 months.
  • Infections are the most common early complication.
  • Long-term clinical and radiological follow-up is essential due to later prosthesis failure peaks.