Dental status and risk of odontogenic complication in patients undergoing hematopoietic stem cell transplant.

PURPOSE: Dental evaluation and management prior to hematopoietic stem cell transplant (HSCT) plays a vital role in identifying and treating infections that may be life-threatening. The purpose of this study is to describe the dental management of patients undergoing pre-HSCT examination with the Dental Service at Memorial Sloan Kettering Cancer Center (MSKCC) and to report on odontogenic complications. METHODS: Patients referred for evaluation as part of the standard preparation for HSCT were included. Following clinical and radiological examination, patients were assigned to one of three groups based on risk of odontogenic infection, and treatment was provided as indicated. Patients were followed, and their medical records were reviewed for odontogenic complications during the transplant admission. RESULTS: Of the 375 patients evaluated, 350 patients underwent HSCT: allogeneic 143 (40.9%) and autologous 207 (59.1%). The distribution of primary cancer diagnosis was as follows: multiple myeloma 104 (29.7%), leukemias 95 (27.1%), Hodgkin's lymphoma 28 (8.0%), non-Hodgkin's Lymphoma 99 (28.3%), and other conditions 24 (6.9%). The median time from dental evaluation to transplant was 29 days. The median Decayed, Missing, Filled Teeth Index was 17. The median Community Periodontal Index was 1. Based on dental status, 145 patients (41.4%) were classified as low risk, 133 (38%) as moderate risk and 72 (20.6%) as high risk of odontogenic infection. One hundred fourteen patients (32.6%) required dental treatment prior to HSCT, and 100 of these (28.6%) completed treatment. Two (0.57%) patients had odontogenic complications. CONCLUSIONS: With conservative pre-HSCT dental treatment based on an infection risk classification system, a low odontogenic complication rate was observed.

Routine endoscopic surveillance for local recurrence of rectal cancer is futile.

BACKGROUND: National Comprehensive Cancer Network guidelines for rectal adenocarcinoma regarding routine surveillance with proctoscopy for local recurrence have been evolving. The purpose of this study was to examine the utility of rectal surveillance. METHODS: This is a single-center, retrospective review of patients (2004 to 2011) who underwent total mesorectal excision for rectal cancer. The primary end point was cancer recurrence, with detection method(s) noted. The number of surveillance procedures was collected. RESULTS: The study included 112 patients. There were no local recurrences identified by rectal surveillance. There were 1 local recurrence and 17 distant recurrences (16%). The local recurrence was identified by carcinoembryonic antigen and symptoms. There were 20 anoscopies, 44 proctoscopies, and 495 flexible sigmoidoscopies performed, with estimated charges of $266,000. CONCLUSIONS: Rectal surveillance at this center was not beneficial. This study supports the recent (2015) change in the National Comprehensive Cancer Network guidelines, which no longer recommend routine rectal surveillance and challenge other society guidelines.

A survey of American College of Surgery fellows evaluating their use of antibiotic prophylaxis in the placement of subcutaneously implanted central venous access ports.

BACKGROUND: Currently, there is no standard of care for prophylactic antibiotics (PABX) at the time of placement of fully implanted central venous access ports (CVAPs). A survey of fellows of the American College of Surgeons was undertaken to determine the current practice pattern of PABX in CVAP placement. METHODS: A survey was mailed to 5,000 fellows of the American College of Surgeons. RESULTS: The response rate was 21.7%, with 73.1% of respondents nonacademic surgeons. PABX were given by 88.2% of the respondents. Of those who did not use PABX, the primary reasons were "not justified" or "not standard of care." General comments regarding reasons for use of PABX included "medicolegal," "required by hospital," and "liability." CONCLUSIONS: In this survey, the overwhelming majority of responding American College of Surgeons fellows indicated that they use preoperative antibiotic prophylaxis for CVAP placement, despite there being no accepted standard of care or definitive evidence regarding PABX use for fully implanted CVAPs.

Intravenous bisphosphonate-related osteonecrosis of the jaw: long-term follow-up of 109 patients.

OBJECTIVE: We report long-term follow-up of patients with intravenous bisphosphonate-related osteonecrosis of the jaw (BRONJ). STUDY DESIGN: Medical and dental histories, including type and duration of bisphosphonate treatment and comorbidities, were analyzed and compared with clinical course of 109 patients with BRONJ at Memorial Sloan-Kettering Cancer Center Dental Service. RESULTS: Median onset of BRONJ in months was 21 (zoledronic acid), 30 (pamidronate), and 36 (pamidronate plus zoledronic acid), with a significant difference between the pamidronate plus zoledronic acid and zoledronic acid groups (P = .01; Kruskal-Wallis). The median number of doses for BRONJ onset was significantly less with zoledronic acid (n = 18) than pamidronte plus zoledronic acid (n = 36; P = .001), but not pamidronate alone (n = 29). An association between diabetes (P = .05), decayed-missing-filled teeth (P = .02), and smoking (P = .03) and progression of BRONJ was identified through χ(2) test. CONCLUSIONS: This long-term follow-up of BRONJ cases enhances the literature and contributes to the knowledge of BRONJ clinical course.

Dosimetric distribution to the tooth-bearing regions of the mandible following intensity-modulated radiation therapy for base of tongue cancer.

OBJECTIVES: Osteoradionecrosis is a significant complication following head and neck radiotherapy. The purpose of this study was to determine the intensity-modulated radiation therapy (IMRT) dosages delivered to the tooth-bearing regions of the mandible. STUDY DESIGN: A total of 28 patients with base of tongue cancer with the following stages: T1-2/N2-3 (n = 10), T3-4/N2-3 (n = 10), and T1-4/N0 (n = 8), treated with IMRT, were included. Average mean and maximum doses were calculated for the anterior, premolar, and molar regions. RESULTS: Lower doses were seen in anterior bone with smaller tumors. Large tumors, regardless of laterality, resulted in high doses to the entire mandible, with anterior bone receiving more than 6000 cGy. CONCLUSIONS: Tumor size is important in preradiation dental treatment planning. This information is important in planning pre- and postradiation dental extractions. Dosimetric analyses correlating mean and maximum point dose with clinical presentation and outcomes are needed to determine the best predictor of osteoradionecrosis risk.

A comparison of postoperative outcomes utilizing a continuous preperitoneal infusion versus epidural for midline laparotomy.

BACKGROUND: Postoperative pain management with a continuous preperitoneal infusion (CPI) for locoregional anesthesia has been shown to have improved postoperative outcomes. This is the first direct comparison of CPI versus epidural infusion (EPI), both in conjunction with systemic analgesia. METHODS: A retrospective review was performed of midline laparotomy cases, comparing the use of CPI with systemic patient-controlled analgesia to EPI with systemic patient-controlled analgesia for postoperative outcomes. RESULTS: A total of 240 cases from 2007 to 2009 were reviewed. There were 41.3% using CPI and 58.7% with EPI. There were no differences with respect to age, body mass index, or American Society of Anesthesiologists score between CPI and EPI cases. In a multivariate model, total hospital stay was 2 days shorter for the CPI group (P < .001), and the total admission cost was less for CPI (by $6,164; P < .001). CONCLUSIONS: The use of CPI results in decreased length of hospital stay, decreased number of days with a Foley catheter, and lower hospital costs, compared with EPI use. These findings show that the routine use of CPI for pain management after laparotomy is a safe alternative to EPI.

Success in sentinel lymph node procedures in obese patients with breast cancer.

BACKGROUND: Sentinel lymph node (SLN) biopsy for axillary staging in breast cancer is technically more demanding but of added benefit in obese patients. This retrospective review compares variables and outcomes of SLN staging in obese and nonobese women. METHODS: From 235 total SLN cases, demographics and clinical and procedural variables were collected and compared in obese (body mass index [BMI] of ≥ 35, n = 28) and nonobese (BMI ≤ 25 [n = 84]) patients. RESULTS: Overall, the intraoperative false-negative rate was 13.6% and failure to identify SLN occurred in 2 cases (.85%). Although no differences in patient or tumor characteristics were found, obese patients had significantly lower external hotspot counts, first sentinel node counts, and fewer sentinel nodes recovered when compared with the nonobese. CONCLUSIONS: SLN procedures are successful and accurate for axillary staging in obese women and avoid the added morbidity of axillary lymph node dissection in this higher risk population.

Antibiotic prophylaxis in the placement of totally implanted central venous access ports.

BACKGROUND: Antibiotic prophylaxis during placement of implanted central venous access ports (CVAP) has not been studied. This retrospective review compared the rate of catheter-related infections (CRIs) with and without perioperative antibiotics. METHODS: This was a single-center study that compared patients treated with and without a single dose of antibiotics during CVAP placement. CRIs were defined as a patient treated with antibiotics for port site induration, positive blood cultures, or suspicion of infection that led to port removal within 30 days of placement. RESULTS: CVAP were placed in 459 patients, 103 of whom (22.4%) received antibiotic prophylaxis. Surgical technique and patient demographics were similar to those patients not receiving antibiotics (356). All 9 (2%) CRIs occurred in the non-prophylactic antibiotic group (P = .218), with 5 infections resulting in port removal. CONCLUSIONS: Single-dose perioperative antibiotics may decrease CVAP infection rates and should be studied further in a prospective randomized trial.

Selective use of intraoperative sentinel lymph node pathological evaluation in breast cancer.

BACKGROUND: In breast cancer staging, the need for intraoperative sentinel lymph (SLN) evaluation is not well established. This study compares intraoperative use of touch preparation (TP), frozen section (FS), and factors that may influence the selective use of intraoperative SLN analysis. METHODS: Breast cancer patients (1998-2007) undergoing SLN evaluation were retrospectively reviewed. RESULTS: Of 205 SLN procedures, 157 cases underwent intraoperative evaluation, 43% (FS) and 57% (TP) with positive pathology in 21% and 20%, respectively. The false negative case rate was 16% for TP versus 12% for FS. Of T1, low-grade tumors, 9% were intraoperatively positive, versus 43% of T2-3, moderate- to high-grade tumors (P = .006). Additional positive axillary nodes were found in 43% of the higher risk patients versus 0% in the lower risk groups. CONCLUSIONS: Both TP and FS are accurate for intraoperative SLN evaluation and can be selectively applied to breast cancer staging in low- and high-risk groups.

Survey of intensive care physicians on the recognition and management of intra-abdominal hypertension and abdominal compartment syndrome.

OBJECTIVE: To assess current understanding and clinical management of intra-abdominal hypertension and abdominal compartment syndrome among critical care physicians. DESIGN: A ten-question, written survey. SETTING: University health sciences center. SUBJECTS: Physician members of the Society of Critical Care Medicine (SCCM). INTERVENTIONS: The survey was sent to 4,538 SCCM members with a response rate of 35.7% (1622). MEASUREMENTS AND MAIN RESULTS: Primary training, intensive care unit type, and methods for management of abdominal compartment syndrome were assessed. Surgically trained intensivists managed the highest number of abdominal compartment syndrome cases (47% managed 4-10 cases, 16% managed >10 cases). No cases were seen by 25% of medically trained and pediatric trained intensivists. Respondents agreed that bladder pressures and clinical variables were needed to diagnose abdominal compartment syndrome (70%) vs. bladder pressure (7%) or clinical variables (20%) alone. Two percent of surgical intensivists were unaware of a bladder pressure measurement procedure compared with 24% (p < .0001) of pediatric and 23% (p < .0001) of medical intensivists. Forty-two percent of respondents believed bladder pressures of 20-27 mm Hg may cause physiologic compromise. However, 25-27% of pediatric, medicine, or anesthesia trained intensivists believed that compromise occurs between 12 and 19 mm Hg compared with 18% of surgeons. No respondent believed that physiologic compromise occurred at <8 mm Hg. Thirty-eight percent of pediatric intensivists believed that physiologic compromise was patient dependent vs. 7-17% from other specialties (p < .0001; all comparisons). In managing intra-abdominal hypertension, 33% of pediatric intensivists and 19.6% of medical intensivists would never use decompression laparotomy to treat abdominal compartment syndrome compared with 3.6% of intensivists with surgical training (p < .0001; both comparisons). CONCLUSIONS: Significant variation across medical training exists in the management of intra-abdominal hypertension and abdominal compartment syndrome. A significant percentage of intensivists may be unaware of current approaches to abdominal compartment syndrome management including monitoring bladder pressures and decompression laparotomy. Future research and education are necessary to establish clear diagnostic criteria and standards for treatment of this relatively common life-threatening disease process.