Using negative pressure wound therapy devices to decrease the incidence of infrainguinal wound infections

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Surgical site infection (SSI) is a well-characterized morbidity after vascular surgical procedures, especially after infrainguinal and lower extremity bypass. Rates of SSI after these interventions range from 4.8% to 38.5%, which is higher than predicted for “clean” (type I/II) wounds (2%-6%). SSI rates are increased because of the proximity of wounds to the perineum and genitalia, use of prosthetic materials, and disruption of lymphatic vessels during groin incisions; most are attributable to inoculation by skin flora or direct bacterial
spread at the time of initial operation.

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Simultaneous resection of primary colorectal cancer and synchronous liver metastases

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Kleive D, et al. Simultaneous Resection of Primary Colorectal Cancer and Synchronous Liver Metastases: Contemporary Practice, Evidence and Knowledge Gaps. Oncol Ther. 2021 Jun;9(1):111-120. Free full-text.

Key Summary Points

  • High-level evidence in simultaneous resection of colorectal cancer and colorectal liver metastasis remains scarce.
  • Simultaneous resections may be considered in patients with good performance status and limited liver tumour burden.
  • Simultaneous resections should be avoided when requiring major liver resection and major colorectal resection.
  • Treatment strategies should be made by a multidisciplinary team.
  • Simultaneous resections should be performed as part of a clinical trial.
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Surgical Management of Liver Metastases From Colorectal Cancer

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“Surgical resection remains one of the major curative treatment options available to patients
with colorectal liver metastases. Surgery and chemotherapy form the backbone of the
treatment in patients with colorectal liver metastases. With more effective chemotherapy
regimens being available, the optimal timing and sequencing of treatments are important. A
multidisciplinary approach with the involvement of medical oncologists and surgical
oncologists from the beginning is crucial.”

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Colorectal liver metastases

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“Colorectal cancer (CRC) represents a major worldwide health care burden, as the
second most common cancer diagnosed in women and third most common in men,
and accounting for 10% of all annually diagnosed cancers and cancer-related deaths
worldwide.
As result of improvements in detection through screening, better referral
pathways, centralisation of services, effective primary surgery, development of
systemic chemotherapy, biological agents, and understanding of tumour biology,
survival rates following diagnosis have improved.
Nevertheless, at least 25%-50% of patients with CRC develop colorectal liver
metastases (CRLM) during the course of their illness.”

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Drain Placement After Uncomplicated Hepatic Resection Increases Severe Postoperative Complication Rate

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“Advances in surgical techniques and perioperative management over the last 2–3 decades have enabled the safe performance of hepatic resections. In the 1980s, when the perioperative mortality was reported to be as high as around 10%, drain placement was
considered to be necessary so as to provide information about intraabdominal adverse events promptly and for prophylactic drainage. However, as the necessity of drain placement in other surgical fields has been ruled out and as the incidence of life-threatening adverse
events after hepatic resection decreased, several randomized controlled trials (RCTs) were performed; the conclusions of these trials were that drain placement was not necessary. However, some of them lacked a primary endpoint and calculation of sample size; in
the other studies, the primary endpoint was the incidence of wound-related complication, most of which could be resolved using antibiotics or bed-side opening of the wound, corresponding to Clavien-Dindo (C-D) grade 11 2 or even 1.”

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Value of primary operative drain placement after major hepatectomy

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“Historically, prophylactic intraoperative peritoneal drain placement has been advocated after hepatectomy in order to identify and drain bile leaks and decrease the risk of potential perihepatic fluid collections and abscess formation postoperatively. Several small randomized trials have suggested, however, that routine abdominal drainage after elective liver resection may not be necessary.”

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Role of Drain Placement in Major Hepatectomy

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“The use of drains in surgery has been practiced for many years. Prophylactic drainage of the abdominal cavity is employed to prevent the formation of collections and abscesses and for early detection of complications. For years, there has been debate as to whether the use of prophylactic drains has more advantages than disadvantages. For many procedures such as routine colon resection, cholecystectomy, and appendectomy, the use of prophylactic drains has been abandoned as studies have shown that drains do not lower the rate of postoperative complications. However, there is still debate of whether to leave a drain routinely after major liver resection.”

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