Dehiscence: Causes & Reasons

Possible Causes for Dehiscence

The patient could be mobilized early despite bilateral involvement, but developed bilateral wound dehiscence which needed debridement and local flap coverage; aggressive rehabilitation [ncbi.nlm.nih.gov]

One case of superficial wound dehiscence healed with local wound care. No soft-tissue masses, bone formation or tumors were observed in the operative extremity. [ncbi.nlm.nih.gov]

Achilles-tendon-repair-27650 Achilles Tendon Associated Injuries / Differential Diagnosis Gastrocnemious muscle tear Achilles Tendon Complications Skin necrosis Infection / Dehiscence [eorif.com]

Patulous Eustachian Tube

It is important to differentiate between the autophony of semicircular canal dehiscence syndrome and patulous ET. [ncbi.nlm.nih.gov]

High resolution temporal bone computed tomography excluded superior semicircular canal dehiscence. [ncbi.nlm.nih.gov]

[…] identifiable dehiscence in the superior or posterior semicircular canal on CT Associated with low thresholds on Vestibular-Evoked Myogenic Potential testing (Poe 2007) As [medicine.uiowa.edu]

Prosthetic Cardiac Valve Dehiscence

The patient underwent urgent excision and replacement of the dehisced aortic valve, which was found to be infected with Staphylococcus aureus, with associated vasculitis; [nejm.org]

The size and shape of the dehiscence were correlated well with those identified by using the 3-dimensional CT. [circ.ahajournals.org]

Figure 1 Transthoracic echocardiography apical view: dehisced and unseated bioprosthetic aortic valve. [casereports.bmj.com]

Postoperative Dehiscence

[L. dehisco, to split apart or open] dehiscence /de·his·cence/ ( de-his´ins ) a splitting open. wound dehiscence separation of the layers of a surgical wound. dehiscence [medical-dictionary.thefreedictionary.com]

OBJECTIVE: It was hypothesized that synthetic meshes are a successful treatment option for spinal fascial dehiscence. [content.iospress.com]

Of these cases, 786 (2.97%) had postoperative wound dehiscence. [ncbi.nlm.nih.gov]

Superior Semicircular Canal Dehiscence

Otic capsule dehiscence syndrome: Superior semicircular canal dehiscence syndrome with no radiographically visible dehiscence. ( 26322461 ) Wackym P.A....Carter D.M. 2015 [malacards.org]

dehiscence. [vestibular.org]

(although rare patients with posterior canal dehiscence will also have abnormal vestibular-evoked myogenic potentials). • Patients with superior semicircular canal dehiscence [medlink.com]

Uterine Rupture in Pregnancy

Dehiscence leading to uterine rupture A uterine scar can also dehisce (break apart) as a prior cesarean section scar is stretched. [medleague.com]

Distinguishing between uterine rupture and uterine dehiscence First, it’s important to understand what a uterine rupture is and how that differs from a uterine dehiscence. [vbacfacts.com]

•Dehiscence of a scar does not involve rupture of the fetal membranes. •Rupture is more acute while dehiscence is more gradual. 8. [slideshare.net]

Conductive Hearing Loss

Vestibular and/or auditory findings indicative of canal dehiscence and demonstration of superior canal dehiscence on computed tomography of the temporal bone. [ncbi.nlm.nih.gov]

We herein report a case of posterior semicircular canal dehiscence (SCD) syndrome who had been audiologically followed up for eight years. [ncbi.nlm.nih.gov]

Patients with superior semicircular canal dehiscence (SSCD) may have conductive hearing loss (CHL) with normal middle ear (ME). [ncbi.nlm.nih.gov]

Prosthetic Valve Endocarditis

In 11 cases (19%), there was indication for surgery based on TEE but not on CT findings [non-drained abscess (n = 5), prosthetic valve dehiscence (n = 4), large vegetation [ncbi.nlm.nih.gov]

Described is an unusual case report of a 57-year-old man who had early aortic PVE due to Corynebacterium Jeikeium infection complicated by dehiscence of the prosthesis, complete [ncbi.nlm.nih.gov]

There exists little experience of TEE interpretation in post-TAVI endocarditis which should possess unique characteristics regarding, e.g., valve dehiscence or abscess formation [ncbi.nlm.nih.gov]

Serous Labyrinthitis

Arriaga, MD bring you seven new chapters on the hot topics of Cartilage Tympanoplasty, Reversible Canal Wall Down Mastiodectomy, Superior Semicircular Canal Dehiscence Syndrome [books.google.de]

[…] erosion - presence of a congenital dehiscence (eg: dehiscent facial canal) or a preformed pathway (eg: skull base fracture) - obstruction of drainage eg: by a polyp - low [quizlet.com]

Bacterial infections of the middle ear or mastoid most commonly spread to the labyrinth through a dehiscent horizontal semicircular canal. [7] Usually, the dehiscence is the [emedicine.medscape.com]

Otosclerosis

Case report and literature review regarding superior canal dehiscence syndrome. [ncbi.nlm.nih.gov]

All three patients were ultimately identified to have concurrent otosclerosis and superior canal dehiscence. [ncbi.nlm.nih.gov]

[…] acoustic energy through the dehiscence. [ncbi.nlm.nih.gov]

Labyrinthine Fistula

Oval and Round windows work together to regulate hearing and balance - mechanical wave is transducer into neural activity and sound is perceived - dehiscence is created [quizlet.com]

They discuss anatomical issues that arise, such as labyrinthine fistula and facial nerve dehiscence; controversies in management like the canal wall up versus down debate, [medical-dictionary.thefreedictionary.com]

Arriaga, MD bring you seven new chapters on the hot topics of Cartilage Tympanoplasty, Reversible Canal Wall Down Mastiodectomy, Superior Semicircular Canal Dehiscence Syndrome [books.google.de]

Endocarditis

In a 74-year-old woman with aortic valve endocarditis and shallow annular abscess, annulus dehiscence resulted after resection. [ncbi.nlm.nih.gov]

[…] consisted of thorough debridement, root replacement with reimplantation of the coronary arteries and correction of accompanying pathologies (aortoventricular and aortomitral dehiscence [ncbi.nlm.nih.gov]

Other possible echocardiographic findings: abscess dehiscence of prosthetic valve valvular regurgitation CT Cardiac CT angiography may demonstrate endocarditic vegetations [radiopaedia.org]

Bronchopleural Fistula

One patient had an anastomotic dehiscence after right tracheal sleeve pneumonectomy. A chest tube showed the absence of empyema in all cases. [ncbi.nlm.nih.gov]

We report a simple and successful technique, using azygous vein flaps, to repair an intraoperative BPF associated to a small bronchial dehiscence occurred after a right pneumonectomy [ncbi.nlm.nih.gov]

Closure was obtained in 3 of 4 patients; the 4th had complete bronchial dehiscence and empyema. © The Author(s) 2015. [ncbi.nlm.nih.gov]

Labyrinthine Concussion

Slight nystagmus on fistula test is indicative of oval or round window fistulae while strong nystagmus can indicate superior semicircular canal dehiscence. [symptoma.com]

Superior canal dehiscence syndrome is due to a dehiscence (none or very thin layer) of bone overlying the superior semicircular canal resulting in a constellation of auditory [dizzinessbalancedisorders.com.au]

Superior Canal Dehiscence Syndrome A thinning of absence of bone in the temporal bone overlying the superior margin of the superior SCC. [quizlet.com]

Right-Sided Bacterial Endocarditis

[…] against infective endocarditis if regurgitation jet is not present Other possible echocardiographic findings: valvular stenosis vegetations may, less commonly, obstruct valves dehiscence [radiopaedia.org]

In patients with prosthetic valves, surgery may be required when TEE shows valve dehiscence on a paravalvular abscess, when valve dysfunction precipitates heart failure, when [merckmanuals.com]

[…] supporting structures, or in the path of regurgitant jets, or on implanted material in the absence of an alternative anatomic explanation; intracardiac abscess; new partial dehiscence [aafp.org]

Zenker Diverticulum

Zenker's Diverticulum is a posterior pulsion diverticulum which occurs through the Killian's Dehiscence. [medicowesome.com]

Case Discussion The Zenker diverticulum is a pulsion-pseudodiverticulum and results from herniation of mucosa and submucosa through the dehiscence of Killian, a focal weakness [radiopaedia.org]

[…] pharyngeal pouch, is a posterior outpouching of the hypopharynx, just proximal to the upper esophageal sphincter through a weakness in the muscle layer called the Killian dehiscence [radiopaedia.org]

Blepharoptosis

We propose, rather, that the stretching, attenuation, disinsertion, or dehiscence of the upper eyelid levator muscle caused by the blepharospasm were at least partly responsible [ncbi.nlm.nih.gov]

RESULTS: Associated ophthalmologic findings showed that amblyopia, strabismus, wound discharge and knot dehiscence problems were present in 36.6%, 27.3%, 8.5% and 8.5% of [ncbi.nlm.nih.gov]

The most common form of blepharoptosis presents in the elderly and is due to the dehiscence of the levator aponeurosis insertion. [visualdx.com]

Congenital Aural Atresia

This case was diagnosed as congenital aplasia of the external ear canal due to the tympanic bone aplasia-mastoid bone hypoplasia, and the dehiscence of the mastoid-tympanic [ncbi.nlm.nih.gov]

[…] coronal CT Treatment: surgical plugging of the SSC Vascular anomalies Aberrant carotid Persistent stapedial artery High or dehiscent jugular bulb References Som PM, Curtain [spinwarp.ucsd.edu]

On the left side the internal carotid artery courses through the middle ear (red arrow) Dehiscent jugular bulb Dehiscent jugular bulb On the left a dehiscent jugular bulb [radiologyassistant.nl]

Traction Diverticulum of the Esophagus

Diverticula Zenker’s Diverticulum Midesophageal Diverticulum Epiphrenic Diverticulum · Pharyngoesophageal diverticulum · Occurs in older women · Posteriorly at site of Killian's dehiscence [learningradiology.com]

This phenomenon is also known as Killian's dehiscence. [med-ed.virginia.edu]

The dehiscence of Killian is located between the oblique and horizontal cricopharyngeus fibres of the inferior pharyngeal constrictor, through which the diverticulum protrudes [explainmedicine.com]

Mediastinitis

Sternal dehiscence. Abstract Introduction and objectives. [revespcardiol.org]

Group B consisted of patients classified as having sternal dehiscence without infection, i.e. patients with inadequate sternal union, but absence of infection. [revespcardiol.org]

Early dehiscence All sternal dehiscences, whether sterile or infected, causing frank sternal instability result in considerable pain, respiratory distress and occasionally [cardiothoracicsurgery.biomedcentral.com]

Acute Mediastinitis

55%), free gas bubbles in the mediastinum (57.5%), mediastinal lymph nodes (35%), pericardial effusions (27.5%), pleural effusions (85%), lung infiltrates (35%), sternal dehiscence [ncbi.nlm.nih.gov]

From March 1993 until December 1999, 32 patients (6 female/26 male), 0.5% of the total sternotomy population, were operated for mediastinitis, defined as wound and sternal dehiscence [ncbi.nlm.nih.gov]

Sternal dehiscence in patients with and without mediastinitis. J Thorac Imaging 2001;16:106–110 [6] Catarino PA, Westaby S. [emdocs.net]

Keratosis Obturans

The second patient had an extensive dehiscence of the tegmen tympani. The third presented with a facial palsy. [cambridge.org]

An automastoidectomy cavity was present, with circumferential skeletonization of the descending facial nerve over a length of 1.5 cm and dehiscence of the temporomandibular [cambridge.org]

Prolapse

The former approach is more logical since it directly addresses the dehiscence of the levator aponeurosis. [reviewofophthalmology.com]

For acquired or levator dehiscence ptosis, the doctor must first determine the cause of the problem. [eyecaretrust.org.uk]

Aponeurotic ptosis is a disinsertion or dehiscence of the levator aponeurosis from its normal position on the anterior surface of tarsus. [reviewofophthalmology.com]

Surgical Wound Infection

Throughout the year, rates of wound dehiscence were highest in summer. [ncbi.nlm.nih.gov]

Management of dehiscence? 10-20%, this is a surgical emergency. [quizlet.com]

Wound dehiscence. D. Hemorrhage. C. Wound dehiscence. [quizlet.com]

Acute Aortic Regurgitation

We reviewed reported cases of acute AR resulting from dehiscence of the aortic valve commissures. [ncbi.nlm.nih.gov]

Discussion Commissural dehiscence of the aortic valve is a rare cause of aortic regurgitation. [omicsonline.org]

Acute heart failure due to local dehiscence of aortic wall at aortic valvular commissure. Jpn J Thorac Cardiovasc Surg. 2000;48:80–2. PubMed CrossRef Google Scholar 4. [link.springer.com]

Isolated Congenital Auditory Ossicle Malformation

Inner ear [ edit ] Third window effect caused by: Superior canal dehiscence – which may require surgical correction. [en.wikipedia.org]

With otosclerosis requiring an oval window drillout as the most common finding 41% and followed by dehiscent or overhanging facial nerves (25%). [prootology.domino.bg]

The undetermined anomalies were crus dehiscence ( n = 2) and shape variation of the superstructure ( n = 3). [em-consulte.com]

Entropion

In the entropion group, 60% of the lids had total and 35% partial dehiscence of the retractor, whereas in the BCC group, dehiscence was found in only 45% of the lids. [ncbi.nlm.nih.gov]

There are two simple ways to evaluate for dehiscence of the lower lid retractors. The first involves having the patient look down. [healio.com]

All had dehiscence of the capsulopalpebral fascia. Spastic entropion is an evolving stage toward permanent entropion. [ncbi.nlm.nih.gov]

Incisional Hernia

Wound infection was a risk factor for both wound dehiscence and incisional hernia. [ncbi.nlm.nih.gov]

Peter's University Hospital, New Brunswick, New Jersey, USA. mneffyhs@aol.com Abstract Postoperative wound dehiscence is a difficult problem for the general surgeon. [ncbi.nlm.nih.gov]

The patient developed a wound dehiscence and mesh infection, successfully treated with negative pressure therapy followed by a free ALT perforator flap. [ncbi.nlm.nih.gov]

Congenital Entropion

The causes of congenital epiblepharon or entropion include improper development of the lower eyelid retractors with possible dehiscence near the tarsal plate, microphthalmos [neweyelids.com]

Orbital septum has been opened (note preaponeurotic fat pad near inferior skin edge), and toothed forceps is used to grasp edge of dehisced lower-lid retractors. [emedicine.medscape.com]

Treat underlying disease or quickert suture Involutional entropion Etiologies laxity or defect of the lower eyelid retractors (involutional=senile), due to lid retratctor dehiscence [eyefacialplasticsurgery.com]

Central Positional Vertigo

[…] labrynthitis presents simillary but with otologic findings ( e.g., tinnitus or hearing loss) Meniere's disease Acoustic neuroma Aminoglycoside toxicity Semicircular canal dehiscence [medbullets.com]

Superior Canal Dehiscence Superior canal dehiscence was first described by Lloyd Minor in 1998. 8 Dehiscence of the bone overlying the superior semicircular canal can result [clevelandclinicmeded.com]

[…] high velocity injury -temporal bone fracture -decreases with time What is superior canal dehiscence? [quizlet.com]