Related Experiment Video
Updated: Jan 22, 2026
05:40
Method Development for Contactless Resonant Cavity Dielectric Spectroscopic Studies of Cellulosic Paper
Published on: October 4, 2019
6.4K
Office-based Air-Fluid Exchange for Diabetic Post-Operative Vitreous Cavity Hemorrhage
Alice W Behrens1, Sami H Uwaydat1, Joshua S Hardin1
1Jones Eye Institute, Department of Ophthalmology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.
Summary
Office-based air fluid exchange (AFX) effectively treats post-operative vitreous hemorrhage after diabetic retinopathy surgery. This cost-effective procedure offers visual acuity improvement with an acceptable risk profile.
Area of Science:
- Ophthalmology
- Retinal Surgery
- Diabetic Retinopathy Treatment
Background:
- Post-operative vitreous cavity hemorrhage (POVCH) is a common complication after pars plana vitrectomy (PPV) for proliferative diabetic retinopathy (PDR).
- Managing POVCH often requires further surgical intervention, impacting patient outcomes and healthcare costs.
Purpose of the Study:
- To describe and evaluate the efficacy and safety of an office-based air fluid exchange (AFX) technique for treating POVCH in patients with PDR.
- To compare visual acuity outcomes and complication rates between eyes with and without traction retinal detachment (TRD).
- To analyze the cost-effectiveness of office-based AFX compared to PPV.
Main Methods:
- Retrospective review of 16 eyes (15 patients) with PDR and POVCH treated with office-based AFX between 2006 and 2016.
- Comparison of pre- and post-procedure visual acuity (VA) and complications.
- Analysis of Medicare charges for AFX versus PPV.
Main Results:
- Significant improvements in mean logMAR VA were observed post-AFX (1.38 overall, 0.82 with TRD, 2.09 without TRD).
- Complications included cataract progression, hypotony, recurrent TRD, and ghost cell glaucoma.
- Office-based AFX was $1,409.59 less expensive than PPV.
Conclusions:
- Office-based AFX is a viable and cost-effective treatment for non-clearing diabetic POVCH.
- The procedure demonstrates an acceptable risk profile and can lead to visual acuity improvement.
- AFX presents a valuable alternative to repeat PPV for managing POVCH in PDR patients.
More Related Videos
Related Concept Videos
01:28Cardiomyopathy VII: Pre and Post Operative Nursing Management
293
Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
293
02:06Social Exchange Theory
39.5K
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
39.5K
01:20Gas Exchange and Transport
76.6K
Gas exchange, the intake of molecular oxygen (O2) from the environment and the outflow of carbon dioxide (CO2) into the environment, is necessary for cellular function. Gas exchange during respiration occurs largely via the movement of gas molecules along pressure gradients. Gas travels from areas of higher partial pressure to areas of lower partial pressure. In mammals, gas exchange occurs in the alveoli of the lungs, which are adjacent to capillaries and share a membrane with them.
76.6K
01:11Oral Cavity
3.0K
The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
3.0K
01:24Nose and Nasal Cavity
11.0K
The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...
11.0K
01:28Capillary Exchange
10.8K
The cardiovascular system's chief role is to disseminate gases, nutrients, waste, and other substances to the body's cells. Small molecules like gases, lipids, and lipid-soluble substances directly diffuse through capillary wall endothelial cell membranes. Glucose, amino acids, and ions, including sodium, potassium, calcium, and chloride, use transporters for facilitated diffusion via membrane-specific channels. Glucose, ions, and bigger molecules may also pass through intercellular...
10.8K