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New Dried Human Amniotic Membrane Is Useful as a Substitute for Dural Repair after Skull Base Surgery

New Dried Human Amniotic Membrane Is Useful as a Substitute for Dural Repair after Skull Base Surgery

Takahiro Tomita, Nakamasa Hayashi, Motonori Okabe, Toshiko Yoshida, Hideo Hamada, Shunro Endo, Toshio Nikaido 20 May 2015

J Neurol Surg B 2012;73:302–307.

Cerebrospinal fluid (CSF) leakage is an undesirable complication of skull base surgery.We used dried human amniotic membrane (AM) as a patch graft for dural repair to determine its efficacy in preventing CSF leakage.

 

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Improving electrophysiologic and histologic outcomes by photochemically sealing amnion to the peripheral nerve repair site

Improving electrophysiologic and histologic outcomes by photochemically sealing amnion to the peripheral nerve repair site

Francis P. Henry, Namita A. Goyal, William S. David, David Wes, BA, Kenneth E. Bujold, BS, Mark A. Randolph, MAS, Jonathan M. Winograd, Irene E. Kochevar, and Robert W. Redmond, Boston, Mass 20 May 2015

Surgery (2009)

The surgical approach used today in the repair of peripheral nerve injuries rarely achieves full functional recovery. This study determines whether isolation of the nerve repair site using hotochemical tissue bonding (PTB) in combination with human amniotic membrane can improve both functional and histologic recovery.

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Implantation of amniotic membrane to reduce postlaminectomy epidural adhesions

Implantation of amniotic membrane to reduce postlaminectomy epidural adhesions

Huiren Tao, Hongbin Fan 20 May 2015

 

Eur Spine J (2009) 18:1202–1212

Postlaminectomy epidural adhesion is implicated as a main cause of ‘‘failed back surgery Syndrome'' and associated with increased risk of complications during revision surgery. Various materials acting as mechanical barriers to reduce fibroblasts infiltration into epidural space

have met with limited success. In present research, amniotic membrane (AM) was studied to investigate its effects on reducing epidural scar adhesion after laminectomy in a canine model.

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Spinal duraplasty with two novel substitutes restored locomotor function after acute laceration spinal cord injury in rats

Spinal duraplasty with two novel substitutes restored locomotor function after acute laceration spinal cord injury in rats

Hongsheng Liang, Changyu Li, Aili Gao, Peng Liang, Yongxiang Shao, Tie Lin, Xiangtong Zhang 20 May 2015

WILEY PERIODICALS, 2012

A dural tear is a common complication after acute laceration spinal cord injury (ALSCI). An unrepaired dural tear is associated with poor locomotor functional recovery. Spinal duraplasty with biomaterials may promote functional recovery in ALSCI. However, an ideal dural substitute has not yet been found. In this work, we investigated the possibility of using a denuded human amniotic membrane (DHAM) or DHAM seeded on bone marrow stromal cells (DHAM–BMSCs) as duraplasty biomaterials                                                         

              

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Autologous amnion graft for repair of myelomeningocele: technical note and clinical implication

Autologous amnion graft for repair of myelomeningocele: technical note and clinical implication

Mitsuhiro Hasegawa, Hironori Fujisawa, Yutaka Hayashi, Junkoh Yamashita 20 May 2004

Journal of Clinical Neuroscience (2004) 11(4), 408–411

Amniotic membrane can be used as autologous reconstruction graft material when aseptically obtained. We introduce here a novel repair technique using autologous amnion graft, and report a case presentation of myelomeningocele successfully treated with this graft material.

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Cross-facial nerve grafting for facial reanimation

Cross-facial nerve grafting for facial reanimation

Peng GL, Azizzadeh B 30 April 2015

Dynamic facial reanimation is the gold standard treatment for a paralyzed face. Over the last century, multiple nerves have been utilized for grafting to the facial nerve in an attempt to produce improved movement. However, in recent years, the use of cross facial nerve grafting with a second stage gracilis free flap has gained popularity due to the ability to generate a spontaneous smile and facial movement. Preoperative history taking and careful examination, as well as pre-surgical planning, are imperative to whether cross facial nerve grafting with a second stage gracilis free flap is appropriate for the patient. A sural nerve graft is ideal given the accessibility of the nerve, the length, as well as the reliability and ease of the nerve harvest. The nerve can be harvested using a small incision, which leaves the patient with minimal post operative morbidity. In this chapter, we highlight the pearls and pitfalls of cross facial nerve grafting.

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A novel use of amniotic membrane for fingertip injuries

A novel use of amniotic membrane for fingertip injuries

Fijan A, Hashemi A, Namazi H 18 May 2014

Journal of wound care (2014)
Fingertip injuries, which are the most common hand injury, represent management challenges for hand surgeons. Full thickness skin grafts are routinely used to cover the fingertip site, but has significant donor site morbidity. As amniotic membranes (AM) are used as a dressing substitute in burns, we decided to evaluate the efficacy of AM as a biologic wound dressing material for coverage of these injuries.

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Improving electrophysiologic and histologic outcomes by photochemically sealing amnion to the peripheral nerve repair site

Improving electrophysiologic and histologic outcomes by photochemically sealing amnion to the peripheral nerve repair site

Francis P. Henry, Namita A. Goyal, William S. David, David Wes, BA, Kenneth E. Bujold, BS, Mark A. Randolph, MAS, Jonathan M. Winograd, Irene E. Kochevar, and Robert W. Redmond, Boston, Mass 20 May 2015

Surgery (2009)

The surgical approach used today in the repair of peripheral nerve injuries rarely achieves full functional recovery. This study determines whether isolation of the nerve repair site using hotochemical tissue bonding (PTB) in combination with human amniotic membrane can improve both functional and histologic recovery.

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Dehydrated Human Amnion/Chorion Membrane Allograft Nerve Wrap Around the Prostatic Neurovascular Bundle Accelerates Early Return to Continence and Potency Following Robot-assisted Radical Prostatectomy: Propensity Score–matched Analysis

Dehydrated Human Amnion/Chorion Membrane Allograft Nerve Wrap Around the Prostatic Neurovascular Bundle Accelerates Early Return to Continence and Potency Following Robot-assisted Radical Prostatectomy: Propensity Score–matched Analysis

Vipul R. Patel, Srinivas Samavedi, Anthony S. Bates, Anup Kumar, Rafael Coelho, Bernardo Rocco, Kenneth Palmer 20 May 2013

European Association of Urology (2015) Article in press

We present a propensity-matched analysis of patients undergoing placement of dehydrated human amnion/chorion membrane (dHACM) around the neurovascular bundle (NVB) during nerve-sparing (NS) robot-assisted laparoscopic prostatectomy (RARP).

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Dehydrated Human Amnion/Chorion Membrane Allograft Nerve Wrap Around the Prostatic Neurovascular Bundle Accelerates Early Return to Continence and Potency Following Robot-assisted Radical Prostatectomy: Propensity Score–matched Analysis European Association of Urology (2015) Article in press

Dehydrated Human Amnion/Chorion Membrane Allograft Nerve Wrap Around the Prostatic Neurovascular Bundle Accelerates Early Return to Continence and Potency Following Robot-assisted Radical Prostatectomy: Propensity Score–matched Analysis European Association of Urology (2015) Article in press

Vipul R. Patel, Srinivas Samavedi, Anthony S. Bates, Anup Kumar, Rafael Coelho, Bernardo Rocco, Kenneth Palmer 06 June 2015

We present a propensity-matched analysis of patients undergoing placement of dehydrated human amnion/chorion membrane (dHACM) around the neurovascular bundle (NVB) during nerve-sparing (NS) robot-assisted laparoscopic prostatectomy (RARP).

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Treatment for infection of artificial dura mater using free fascia lata

Treatment for infection of artificial dura mater using free fascia lata

Nakano T, Yoshikawa K, Kunieda T, Arakawa Y, Kikuchi T, Yamawaki S, Naitoh M, Kawai K, Suzuki S. 05 July 2014

The Journal of craniofacial surgery (2014)

Synthetic artificial dura mater materials, such as expanded polytetrafluoroethylene sheets, are widely used in dura mater reconstruction in cases involving brain tumors or trauma surgery. In patients with postoperative infection related to the use of artificial dura mater, surgical debridement of the infected wound and removal of the artificial dura mater materials are necessary to control infection. In cases involving cerebrospinal fluid leakage, dura mater reconstruction must be performed immediately. Many useful techniques for performing dura mater reconstruction to treat postoperative infection have been reported; however, some have drawbacks with respect to the need for microvascular anastomosis or difficulties in obtaining watertight closure. We successfully treated 6 patients with postoperative artificial dura mater infection using free thigh fascia lata. Some surgeons believe that the use of free fascia in infected wounds is dangerous because free fascia is a non-vascularized tissue.

 

 

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The amnion muscle combined graft (AMCG) conduits: a new alternative in the repair of wide substance loss of peripheral nerves

The amnion muscle combined graft (AMCG) conduits: a new alternative in the repair of wide substance loss of peripheral nerves

Riccio, Pangrazi, Parodi, Vaienti, Marchesini, Neuendorf, Bottegoni, Tos, Geuna 18 August 2014

Microsurgery DOI 10.1002/micr

In this report, we present a completely new tubulization method, the amnion muscle combined graft (AMCG) technique, that consists in the combination of the human amniotic membrane hollow conduit with autologous skeletal muscle fragments for repairing the substance loss of peripheral nerves and recover both sensory and motor functions.

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Techniques and materials for enhancement of peripheral nerve regeneration: a literature review.

Techniques and materials for enhancement of peripheral nerve regeneration: a literature review.

Siemionow M, Uygur S, Ozturk C, Siemionow K. 03 May 2014

Peripheral nerve surgery performed under unfavorable conditions results in increased scar formation and suboptimal clinical outcomes. Providing the operated nerve with a protective barrier, reduces fibrosis and adhesion formation and may lead to improved outcomes. The ideal coverage material should prevent scar and adhesion formation, and maintain nerve gliding during motion. Nerve protection using autologous tissues has shown good results, but shortcomings include donor site morbidity and limited availability. Various types of methods and materials have been used to protect nerves. There are both advantages and disadvantages associated with the various materials and techniques. In this report we summarize currently used protective materials applied for nerve coverage under various surgical conditions.

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Nerve regeneration across cryopreserved allografts from cadaveric donors: a novel approach for peripheral nerve reconstruction

Nerve regeneration across cryopreserved allografts from cadaveric donors: a novel approach for peripheral nerve reconstruction

Squintani G, Bonetti B, Paolin A, Vici D, Cogliati E, Murer B, Stevanato G. 31 October 2013

The use of allografts from cadaveric donors has attracted renewed interest in recent years, and pretreatment with cryopreservation and immunosuppression methods has been investigated to maximize axonal regrowth and minimize allograft rejection. The authors wanted to assess the outcome of treatments of brachial plexus stretch injuries with cryopreserved allografts from cadaveric donors in nonimmunosuppressed patients.

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Amnion membrane for coverage of gingival recession: A novel application

Amnion membrane for coverage of gingival recession: A novel application

Rucha Shah, N. K. Sowmya, and D. S. Mehta 01 June 2018

Abstract

Amnion allograft has been used in the field of medicine for its exceptional wound-modulating properties. However, in the field of dentistry, only a limited number of reports have explored its potential in healing of oral wounds.

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Amnion membrane for coverage of gingival recession: A novel application

Amnion membrane for coverage of gingival recession: A novel application

Rucha Shah, N. K. Sowmya, and D. S. Mehta 30 May 2019

Abstract

Amnion allograft has been used in the field of medicine for its exceptional wound-modulating properties. However, in the field of dentistry, only a limited number of reports have explored its potential in healing of oral wounds.

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