[Trauma surgical relevance of bite injuries by animals and humans].

Bite injuries require differentiated treatment due to the deeply inoculated polymicrobial pathogen spectrum, possible concomitant injuries and pronounced soft tissue damage. Dog bites are the most common bite injuries but are less complicated to heal than human and cat bites. The location of the bite greatly depends on the age and the size of the bite victim as well as the type of bite perpetrator.

[Two-stage microsurgical soft tissue reconstruction of a complex sacral wound using an arteriovenous loop].

The surgical reconstruction of sacral soft tissue defects is challenging, and complications are frequent. We report a successful two-stage three-dimensional microsurgical soft tissue reconstruction of a wide and deep sacral defect anastomosing a free combined ALT/TFL/rectus femoris flap to an ipsilateral vena saphena magna arteriovenous loop which was applied primarily. This case shows that complex microsurgical procedures can be promising in this demanding patient population if the indication is correct and the operative/perioperative strategy is clear.

Influence of Remote Ischemic Conditioning and Nitrogen Monoxide on Angiogenesis and Microcirculation in a Mouse Ear Burn Model.

Introduction: Remote ischemic conditioning (RIC) has been shown to improve tissue resilience against ischemia. The aim of this study was to investigate the influence of RIC and its key factor, nitrogen monoxide (NO), on angiogenesis in a burn wound.

Materials And Methods: A unilateral burn injury on the ear of hairless mice (n = 48) was generated via a hot air jet in a contact-free manner.

Use of Cold Plasma in Wound Healing: A Case Report.

The treatment of chronic wounds remains a serious medical and social problem. There are many innovative therapeutic approaches for the treatment of chronic wounds, one of which is cold plasma therapy. This case report describes an 85-year-old patient who presented with a chronic wound on his lower right leg.

Soft Tissue Reconstruction of Complex Infrainguinal Wounds Following Revisionary Vascular Surgery.

Background: Large, full-thickness infrainguinal wounds following revision revascularization procedures of the lower extremity are a challenging complication for reconstructive surgery. Frequently, these patients present with various comorbidities and after several previous reconstructive attempts. Therefore no straightforward soft tissue reconstruction is likely.

[Suspected factitious disorder: identifying self-inflicted wounds in plastic surgery].

Background: Patients with factitious disorders artificially generate, aggravate or feign injuries or illnesses, which can result in severe physical impairment and misuse of the healthcare system. The symptomatology is characterized by a protracted course of disease with frequent changes of practitioners and multiple invasive procedures due to anomalous, mostly chronic findings. Elaborate clinical presentations, lack of knowledge of disease characteristics and the fast-paced everyday clinical practice can lead to maintaining the disease through non-recognition or mistreatment.

Effects of Extracorporeal Shock Waves on Microcirculation and Angiogenesis in the in vivo Wound Model of the Diver Box.

Introduction: Extracorporeal shock waves (ESWs) have been shown to have a positive effect on skin wound healing; however, little is known on the regeneration of the microcirculation and angiogenesis as well as the different application modes.

Methods: A total of 40 BALB/c mice were provided with dorsal skin fold chambers and were divided into 3 therapy groups (n = 30) and one control group (n = 10). The 3 therapy groups were treated with shock waves at different pulse rates (500-1,000 pulses/min) and application frequencies (day 0 and day 6 or day 0 only).

Improvement of Superficial and Deep Cutaneous Microcirculation Due to Axillary Plexus Anesthesia Impaired by Smoking.

Background: Understanding microvascular physiology is key to any reconstructive procedure. Current concepts in anesthesia increasingly involve regional peripheral nerve blockade during microvascular reconstructive procedures. Whereas favorable effects on perfusion due to these techniques have been reported earlier, little evidence focusing on its effects in most peripheral vascular compartments is available.

Microvascular tissue transfer after the resection of soft tissue sarcomas.

Background: Microvascular tissue transfer enables the oncological resection of soft tissue sarcomas of the extremities and the trunk by covering the resulting tissue defects that are often extensive. This study was performed to investigate the long-term survival and functional outcome of patients treated with free flaps after sarcoma resection.

Methods: A total of 78 sarcoma patients received microvascular tissue transfer in our institution between March 2003 and January 2013.

The tight junction protein cingulin regulates the vascular response to burn injury in a mouse model.

Edema formation due to the collapse of physiological barriers and the associated delayed healing process is still a central problem in the treatment of burn injuries. In healthy individuals, tight junctions form a barrier to fluid and small molecules. Cingulin is a cytoplasmic component of tight junctions and is involved in the regulation of the paracellular barrier.

The Impact of Surgical Margins and Adjuvant Radiotherapy in Patients with Undifferentiated Pleomorphic Sarcomas of the Extremities: A Single-Institutional Analysis of 192 Patients.

Undifferentiated pleomorphic sarcomas are a frequent subtype within the heterogeneous group of soft tissue sarcomas. As the attainment of negative margins can be complicated at the extremities, we determined the prognostic significance of surgical margins in our patient population. We retrospectively determined the relationship between local recurrence-free survival (LRFS), overall survival (OS), and potential prognostic factors in 192 patients with UPS of the extremities who were suitable for surgical treatment in curative intent.

Limb preserving surgery for soft-tissue sarcoma in the hand: a retrospective study of 51 cases.

Our retrospective study analysed the long-term results of a conservative limb-preserving surgical strategy in 51 patients with soft-tissue sarcoma of the hand from a single institution. We assessed survival and prognostic factors, including the surgical margins. No transradial amputations were performed.

Long-term Outcome of 181 Patients With Liposarcomas of the Extremity and Truncal Wall.

Background/aim: Liposarcomas (LS) are one of the most common entities within the heterogenous group of soft tissue sarcomas. The aim of this study was to identify prognostic indicators in patients with LS of the extremities and truncal wall.

Patients And Methods: We analysed the influence of potential prognostic factors on local recurrence-free survival (LRFS) and overall survival (OS) in 181 patients who were suitable for surgical treatment with curative intent.

Elastic Wrapping of Lower Extremity Free Flaps during Dangling Improves Microcirculation and Reduces Pain as well as Edema.

Background:  Free tissue transfer has become a common and safe reconstructive procedure. However, total or partial flap losses remain a looming threat, especially for lower extremity free flaps due to the gravitational challenge associated with dependency. Thus, the majority of microsurgical centers apply some kind of structured flap training.

[Peroneal palsy as a manifestation of acute diabetic mononeuropathy with complete recovery after surgical decompression - a case report and review of the literature].

This article presents the case of a 47-year-old patient with diabetes-related palsy of the peroneal nerve, illustrating the susceptibility of nerves to compression in patients with diabetes. Diagnostic evaluation, treatment and clinical course are presented and discussed in the context of the literature.

A Novel Technique for the Standardized Application of Shock Waves in Experimental Research: The Diver Box.

The Diver Box is designed to prevent impedance differences, energy loss or damage to neighboring structures caused by the use of shock waves with application gels. The Diver Box is an acrylic glass container filled with tempered water and includes a coupling membrane to prevent the impedance jump from air to water and to avoid the continuous propagation of shock waves into the tissue, maintaining wave dynamics. Different modes of extracorporeal shock waves can be applied to a mouse skin wound without energy loss and protected from harmful phase-reversed waves.

Effect of surgical margins on prognosis in aggressive fibromatosis: A single-institutional analysis of 90 patients.

The treatment of aggressive fibromatosis poses a therapeutic challenge in an interdisciplinary setting. The extent of surgical resection is still discussed controversially. The present retrospective analysis aimed to determine prognostic factors leading to recurrence.

Soft Tissue Sarcomas of the Extremities: Surgical Margins Can Be Close as Long as the Resected Tumor Has No Ink on It.

Background: Soft tissue sarcomas (STS) arising in the extremities pose a therapeutic challenge due to concerns of functional morbidity. Resections with negative margins are the mainstay of therapy, but the prognostic significance of surgical margins remains controversial. The purpose of this study was to determine the prognostic impact of surgical margins and clear margin widths in patients with STS of the extremities.

[Quo vadis DGPRÄC: associated members' goals for the future].

Plastic surgery is extremely diverse and offers various fields of work. To provide optimal support for plastic surgeons in training, it is therefore paramount to know their mid- and long-term goals. To that end, we conducted a web-based survey among the 462 associated members of the German Association of Plastic, Reconstructive and Aesthetic Surgeons (DGPRÄC).

Somatic Leiomyosarcoma of the Soft Tissues: A Single-Institutional Analysis of Factors Predictive of Survival in 164 Patients.

Background: Somatic leiomyosarcoma (LMS) is an aggressive soft tissue sarcoma entity with a high metastatic potential. The purpose of this study was to identify prognostic indicators of survival in patients with somatic LMS of the soft tissues.

Methods: We retrospectively assessed the relationship between local recurrence-free survival (LRFS), disease-specific survival (DSS), overall survival (OS) and potential prognostic factors in 164 patients who were suitable for surgical treatment in curative intent.

A single-institutional review of 68 patients with dermatofibrosarcoma protuberans: wide re-excision after inadequate previous surgery results in a high rate of local control.

Background: Dermatofibrosarcoma protuberans (DFSP) is a cutaneous soft tissue sarcoma characterized by an indolent but aggressive local growth. Unplanned excisions with positive margins are common, and the prognostic impact of radical re-excisions is still unclear. The aim of the present study was to identify prognostic indicators of recurrence-free survival (RFS) in patients with DFSP through a long-term follow-up.

Insufficient fibrinogen response following free flap surgery is associated with bleeding complications.

Microvascular tissue transfer has become a safe and reliable tool in the reconstructive armamentarium, yielding high success rates. However, little is known about the changes in coagulation after free tissue transfer and their potential impact on morbidity. Fibrinogen concentration and platelet count among other values were available and assessed in 139 undergoing free tissue transfer before, immediately after, and 1-3 as well as 8-11 days after surgery.

Remote Ischemic Conditioning Improves Blood Flow and Oxygen Saturation in Pedicled and Free Surgical Flaps.

Background: Surgical flaps have become safe and reliable reconstructive tools, but total flap loss rates as high as 25 percent and partial flap loss rates as high as 36 percent have been reported due to insufficient perfusion. Therefore, a reliable, noninvasive, and effective way to improve the microcirculation of surgical flaps is desirable. The aim of this study was to assess the effect of remote ischemic conditioning on the microcirculation of pedicled and free surgical flaps.