Nd:YAG Adhesiolysis: A Novel Approach to Tractional Retinal Detachment From Beyond-the-Edge Proliferation After Retinectomy

2018 ◽  
Vol 2 (6) ◽  
pp. 374-378
Author(s):  
Ross Chod ◽  
Gennady Landa ◽  
Richard Rosen
Keyword(s):  
Nd:Yag Laser ◽  
Yttrium Aluminum Garnet ◽  
Adhesion Formation ◽  
Subretinal Fluid ◽  
Argon Laser ◽  
Tractional Retinal Detachment ◽  
Band Formation ◽  
Novel Approach ◽  
Yttrium Aluminum ◽  
Tractional Forces

Retinectomy can be complicated by recurrent retinal elevation and subretinal fluid (SRF) accumulation secondary to tractional chorioretinal adhesion band formation and contraction. Classically, this complication requires repeat vitrectomy with destruction of adhesion bands using the vitrectomy instrument. We present a novel, nonoperative technique utilizing neodymium-yttrium-aluminum-garnet (Nd:YAG) laser to address tractional retinal elevation of a retinectomy edge causing SRF accumulation secondary to peripheral chorioretinal adhesion formation after retinectomy. Nd:YAG laser was used to perform targeted adhesiolysis to release the tractional forces on the retina, after which argon laser retinopexy was performed. Retinal reattachment with resolution of SRF was achieved without the need for reoperation.

scholarly journals A Case of Facial Partial Unilateral Lentiginosis Treated with Low-Fluence 1,064 nm Q-Switched Neodymium-Doped Yttrium Aluminum Garnet Laser

2017 ◽  
Vol 9 (2) ◽  
pp. 30-34 ◽  
Author(s):  
En Hyung Kim
Keyword(s):  
Nd:Yag Laser ◽  
Standard Treatment ◽  
Yttrium Aluminum Garnet ◽  
Normal Skin ◽  
Patient Response ◽  
Yttrium Aluminum Garnet Laser ◽  
Selective Photothermolysis ◽  
Yttrium Aluminum ◽  
Postinflammatory Hyperpigmentation ◽  
Good Cosmetic

Partial unilateral lentiginosis (PUL) is an unusual pigmentary disorder characterized by numerous lentigines grouped within an area of normal skin. Although treatment is not necessary, many patients with facial PUL seek medical help for cosmetic reasons. There is no established standard treatment for PUL. Conventional lasers may cause postinflammatory hyperpigmentation because keratinocytes are injured during the process. Also, scarring, long downtime, and pain are important issues. A 19-year-old patient with facial PUL was successfully treated with low-fluence 1,064-nm Q-switched neodymium-doped yttrium aluminum garnet (QS Nd:YAG) laser. Although the exact mechanism by which low-fluence 1,064-nm QS Nd:YAG laser improves pigmentary lesions is unclear, the terms “subcellular selective photothermolysis” and “melanocyte apoptosis and replacement” have been proposed. If appropriate measures are taken to monitor patient response during and after the procedure, low-fluence 1,064-nm QS Nd:YAG laser may achieve good cosmetic results in the treatment of PUL with a very safe and effective profile.

Photocoagulation of Cerebral Arteriovenous Malformations and Arterial Aneurysms with the Neodymium: Yttrium-Aluminum-Garnet or Argon Laser: Preliminary Results in Twelve Patients

Neurosurgery ◽  
1982 ◽  
Vol 11 (6) ◽  
pp. 754-760 ◽  
Author(s):  
Victor Aldo Fasano ◽  
Rosa Urciuoli ◽  
Roberto Maria Ponzio
Keyword(s):  
Arteriovenous Malformations ◽  
Yttrium Aluminum Garnet ◽  
Argon Laser ◽  
Parent Artery ◽  
New Techniques ◽  
Preliminary Results ◽  
Yttrium Aluminum ◽  
Neodymium:Yttrium Aluminum Garnet Laser ◽  
Intraoperative Rupture ◽  
Arterial Aneurysms

Abstract Six arteriovenous malformations (AVMs) and five arterial aneurysms (AAs) were treated with either argon or neodymium:yttrium-aluminum-garnet laser irradiation; one AVM was treated with both. All AVMs were occluded completely, leaving adjacent tissue untouched and preserving the regional vascularization. Photocoagulation produced varying effects on AAs: in one case an intraoperative rupture was sealed, in two cases the volume of an ectasia was reduced when the bleeding and thinner areas were coagulated, and in one case a saccular aneurysm was progressively and completely obliterated while the patency of the parent artery was preserved. These preliminary results are satisfactory; more experience will indicate how and when these new techniques can replace traditional ones or be used in combination with them.

scholarly journals Minimally Invasive Management of Iatrogenic Ureteral Injuries with Ureteroscope Facilitated by Holmium Yttrium-Aluminum-Garnet Laser

2014 ◽  
Vol 2014 ◽  
pp. 1-4 ◽  
Author(s):  
Zongyao Hao ◽  
Li Zhang ◽  
Jun Zhou ◽  
Xiansheng Zhang ◽  
Haoqiang Shi ◽  
...  
Keyword(s):  
Yttrium Aluminum Garnet ◽  
High Rate ◽  
Surgical Approaches ◽  
Ho:Yag Laser ◽  
Minimal Scarring ◽  
Novel Approach ◽  
Ureteral Injuries ◽  
Yttrium Aluminum ◽  
Invasive Management

The ureter is vulnerable during general, gynecologic, and urologic surgeries. The traditional open surgical approaches to treating the iatrogenic ureteral injuries have shown several disadvantages such as relatively high rate of severe complications. Although the applications of endourological techniques for management of lower ureteral strictures have been routinely introduced over the last 10 years, most of the different modalities were based on the utilization of hydrophilic instruments that can facilitate the traversal of strictures surrounded by the sutures with gradually increasing force. Interestingly, we have revealed the Ho:YAG laser as the outstanding auxiliary approach to incising the sutures during the ureteroscopy for its well-controlled penetration depth, minimal scarring, and precise cutting. As far as we know, the combined utilization of Ho:YAG laser to incise the sutures responsible for the strictures and double J ureteral stent for drainage has not been extensively reported. Normal ureters of the patients managed by this novel approach were shown by the follow-up 3-4 months later, which demonstrated that the available technique was promising to effectively treat the iatrogenic ureteral injuries.

Laser Therapy for an Acquired Glomuvenous Malformation (Glomus Tumour)

2015 ◽  
Vol 20 (1) ◽  
pp. 80-83 ◽  
Author(s):  
Jason K. Rivers ◽  
Catherine A. Rivers ◽  
Monica K. Li ◽  
Magdalena Martinka
Keyword(s):  
Laser Therapy ◽  
Nd:Yag Laser ◽  
Yttrium Aluminum Garnet ◽  
Surgical Excision ◽  
Glomus Tumour ◽  
Recurrence Rates ◽  
Cosmetic Results ◽  
Vascular Neoplasms ◽  
Yttrium Aluminum

Background: Glomuvenous malformations (GVMs) (previously known as glomus tumours) are uncommon, benign, vascular neoplasms. Current treatments include surgical excision and sclerotherapy, often with high recurrence rates and poor cosmetic results. Objective: We sought to use a nonsurgical approach for treatment of a GVM. Methods: We present a patient with an acquired, biopsy-proven GVM of the heel unamenable to surgical excision, treated with a long pulsed 1064-nm neodymium-doped yttrium aluminum garnet (Nd:YAG) laser. Results: Excellent cosmesis and long-term remission were achieved after several treatment sessions. Conclusion: Our experience provides further evidence to support the safety and effectiveness of the 1064-nm Nd:YAG laser in the management of large and surgically challenging GVMs.

scholarly journals Clinical Study of Pingyangmycin Combined with Nd:YAG Laser to Treat Venous Malformations in the Oral and Maxillofacial Region

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Yongsheng Li
Keyword(s):  
Laser Irradiation ◽  
Nd:Yag Laser ◽  
Yttrium Aluminum Garnet ◽  
Control Group ◽  
Venous Malformations ◽  
Maxillofacial Region ◽  
Yttrium Aluminum ◽  
Oral And Maxillofacial Region ◽  
Experimental Group

Purpose: To explore the efficacy of pingyangmycin (PYM) combined with Neodymium yttrium aluminum garnet (Nd:YAG) laser to treat venous malformations in the oral and maxillofacial region. Methods: Eighty-six patients were randomly divided into two groups. Forty-two patients were allocated to the experimental group and were injected with PYM at the lesion site, followed by Nd:YAG laser irradiation two days later. Forty-four patients were allocated to the control group and received only Nd:YAG laser irradiation (15-30W of power). All patients came back for a follow-up examination one month later. Results: Twenty-eight patients in the experimental group (66.67%) and 16 patients in the control group (36.31%) had no lesions after one treatment. Additionally, 10 patients in the experimental group (23.81%) and nine patients in the control group (20.45%) showed significant improvement at one month post-treatment. Compared to the control group, the experimental group demonstrated superior outcomes and shorter treatment durations. The between-group difference was significant (p<0.05). Conclusion: PYM combined with Nd:YAG laser is an effective treatment of venous malformations in the oral and maxillofacial region, potentially shortening treatment durations.

Reversible Somatosensory Evoked Potential Changes with Neodymium: Yttrium-Aluminum-Garnet Laser Use

Neurosurgery ◽  
1987 ◽  
Vol 21 (4) ◽  
pp. 465-467 ◽  
Author(s):  
Randall R. Long ◽  
Fremont P. Wirth
Keyword(s):  
Nd:Yag Laser ◽  
Evoked Potential ◽  
Yttrium Aluminum Garnet ◽  
Tissue Injury ◽  
Foramen Magnum ◽  
Dorsal Column ◽  
Somatosensory Evoked Potential ◽  
Tissue Temperature ◽  
Yttrium Aluminum ◽  
Sep Monitoring

Abstract Reversible prolongation and dissolution of the tibial somatosensory evoked potential (SEP) was observed with operative use of the neodymium:yttrium-aluminum-garnet (Nd:YAG) laser during extirpation of a foramen magnum meningioma. Rapid normalization of the SEP followed irrigation with cool saline. The absence of postoperative dorsal column deficit suggests that heat-related physiological changes occurred before the point of irreversible tissue injury. Should intraoperative SEP monitoring prove a reliable index of tissue temperature, it could enable safer use of the Nd:YAG laser in the vicinity of the spinal cord and brain stem.

scholarly journals Intraocular Pressure Spikes following Neodymium-doped Yttrium Aluminum Garnet Laser Capsulotomy: Current Prevalence and Management in Israel

2017 ◽  
Vol 11 (2) ◽  
pp. 63-66 ◽  
Author(s):  
Asaf Achiron
Keyword(s):  
Intraocular Pressure ◽  
High Risk ◽  
Nd:Yag Laser ◽  
Yttrium Aluminum Garnet ◽  
Current Treatment ◽  
Posterior Capsular Opacification ◽  
Comorbid Conditions ◽  
Yttrium Aluminum Garnet Laser ◽  
Current Prevalence ◽  
Yttrium Aluminum

ABSTRACT Aim The current treatment for posterior capsular opacification (PCO), neodymium-doped yttrium aluminum garnet (Nd:YAG) laser capsulotomy, may lead to increased intraocular pressure (IOP). Our aim was to survey routines in the management of IOP spikes and to identify the rate of IOP spikes following prophylactic apraclonidine treatment. Materials and methods A survey questionnaire among ophthalmologists and a retrospective registry review was used. Patients were administered apraclonidine 0.5% prior to capsulotomy. The IOP was measured before and 1 hour postprocedure. Results A total of 71% of responders (n = 45) routinely prescribe topical IOP-lowering medication and 82% routinely measure IOP before or after capsulotomy. The registry analysis included 87 eyes of 75 patients. Mean IOP decreased by 0.9 ± 3.3 mm Hg (p = 0.01, range: −6 to 10) following capsulotomy. No patient reached IOP values above 21 mm Hg following the procedure, with 3.4 and 1.1% of patients demonstrating an IOP elevation of more than 3 and 5 mm Hg respectively. No association was found between number of laser shots, mean laser power, or comorbid conditions, such as diabetes, hypertension, or glaucoma status with posttreatment IOP. Conclusion Most ophthalmologists surveyed routinely prescribe prophylactic IOP-lowering medication and measure IOP before or after capsulotomy. Mean IOP remained clinically stable following capsulotomy with prophylactic apraclonidine instillation, and no patient reached IOP values above 21 mm Hg. Differences in laser delivery or comorbid conditions were not associated with posttreatment IOP. Considering that no patient demonstrated a clinically significant IOP spike following prophylactic apraclonidine instillation, perhaps routine measurement of IOP following primary Nd:YAG laser may be reserved for high-risk patients only. Clinical significance In this work, we showed the prophylactic effect of apraclonidine 0.5% and suggest that measuring IOP after the procedure is necessary only in certain high-risk cases, possibly helping to reduce workload and patient waiting time and improving quality of service. How to cite this article Achiron A. Intraocular Pressure Spikes following Neodymium-doped Yttrium Aluminum Garnet Laser Capsulotomy: Current Prevalence and Management in Israel. J Curr Glaucoma Pract 2017;11(2):63-66.

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