Predictors of the need for prophylactic percutaneous endoscopic gastrostomy in head and neck cancer patients treated with concurrent chemoradiotherapy

Development of a prediction model for tube feeding dependence in HPV-associated oropharyngeal cancer patients undergoing chemoradiotherapy

OBJECTIVES

This study aimed to develop a prediction model for feeding tube dependence in a large homogenous cohort of HPV-associated oropharyngeal squamous cell carcinoma (HPV + OPSCC) patients receiving chemoradiotherapy (CRT). We further aimed to externally validate three previously published feeding tube prediction models on this cohort.

MATERIALS AND METHODS

p16-confirmed HPV + OPSCC patients treated with definitive CRT at a tertiary cancer centre between April 2017 and February 2022 were identified. The primary endpoint was G-tube dependence, defined as enteral feeding for ≥ 4 weeks following CRT. Clinical and dosimetric data were extracted from electronic patient records. Multivariable analyses (MVA) assessed the associations of potential predictors with G-tube dependence. The discriminatory performance of three previously published models was assessed on this cohort using the area under the receiver operating curve (AUC), and calibration was evaluated with calibration plots.

RESULTS

A total of 291 patients were included (TNM8 stage I: 129; II:67; III: 95). MVA identified Dmean to the superior pharyngeal constrictor muscle, D70% to the middle pharyngeal constrictor muscle, and modified diet texture at baseline as predictive for G-tube dependence, with the AUC of 0.68. External validation of three existing models yielded an AUC of 0.60, 0.63, and 0.67, with no evidence of good calibration.

CONCLUSION

Despite a sizable cohort and comprehensive capture of dosimetric information, our prediction model, and external validation of previously published models, showed moderate performance. This suggests that additional factors beyond disease and treatment may need to be considered in future models to refine nutrition support decisions.

Oropharyngeal dysphagia impact of pneumonia risk in neurological patients receiving enteral tube feeding: Insights from a gastroenterologist

BACKGROUND

Oropharyngeal dysphagia is prevalent among neurological patients, often necessitating enteral tube feeding with a nasogastric tube (NGT) or percutaneous endoscopic gastrostomy (PEG). These patients are at significant risk of developing aspiration pneumonia. This study aimed to assess the impact of oropharyngeal dysphagia on pneumonia risk requiring hospitalization in neurological patients on long-term enteral tube feeding.

METHODS

This retrospective observational study was conducted between 2015 and 2022. It included neurological patients who underwent upper gastrointestinal endoscopy combined with a Modified Flexible Endoscopic Evaluation of Swallowing (mFEES) for suspect dysphagia, characterized by difficulty or discomfort in swallowing. Participants were either orally fed or had been on long-term enteral tube feeding via NGT or PEG. A 2-year follow-up was conducted to monitor pneumonia cases requiring hospitalization. Multivariate analyses were conducted to identify risk factors for pneumonia requiring hospitalization.

KEY RESULTS

A total of 226 orally fed and 152 enteral tube-fed patients were enrolled. Multivariate analyses showed a significantly increased risk of pneumonia in patients with a history of pneumonia and those receiving enteral tube feeding. Subgroup analysis indicated a significantly lower risk of pneumonia among enteral tube-fed patients with oropharyngeal dysphagia who PEG-fed patients compared to NGT-fed patients (adjusted HR: 0.21, 95% CI: 0.10-0.44, p < 0.001). The cumulative incidence of pneumonia requiring hospitalization was significantly lower in the PEG group than in the NGT group (p < 0.001).

CONCLUSION

mFEES could be a screening tool for oropharyngeal dysphagia. PEG is preferred over NGT for long-term enteral feeding, as it significantly reduces the risk of pneumonia requiring hospitalization, especially in patients with oropharyngeal dysphagia.

Revalidation of Proactive Gastrostomy Tube Placement Guidelines for Head and Neck Cancer Patients Receiving Helical Intensity-Modulated Radiotherapy

The Royal Brisbane and Women's Hospital (RBWH) Swallowing and Nutrition Management Guidelines for Patients with Head and Neck Cancer were developed to enable evidence-based decision-making by the Head and Neck Multidisciplinary Team (H&N MDT) regarding enteral nutrition support options. The purpose of this study was to revalidate these guidelines in a cohort of patients receiving helical intensity-modulated radiotherapy (H-IMRT) compared to a historical cohort who received primarily 3D-conformal radiotherapy. Eligible patients attending the RBWH H&N MDT between 2013 and 2014 (n = 315) were assessed by the guidelines, with high-risk patients being recommended proactive gastrostomy tube placement. Data were collected on guideline adherence, gastrostomy tube insertions, the duration of enteral tube use and weight change. Sensitivity, specificity and positive predictive and negative predictive values were calculated and compared with the historical cohort. Overall guideline adherence was 84%, with 60% and 96% adherence to the high-risk and low-risk pathways, respectively. Seventy patients underwent proactive gastrostomy tube placement (n = 62 high-risk; n = 8 low-risk). Validation outcomes were sensitivity 73% (compared to 72%) and specificity 86% (compared to 96%). The guidelines yielded a high sensitivity and specificity, remaining valid in a cohort of patients treated with H-IMRT. Further studies are recommended to improve the sensitivity and understand the decrease in specificity in order to make ongoing guideline improvements.

Prognosis of Pneumonia in Head and Neck Squamous Cell Carcinoma Patients Who Received Concurrent Chemoradiotherapy

Concurrent chemoradiotherapy (CCRT) is the standard treatment for patients with locally advanced squamous cell carcinoma of the head and neck (HNSCC). Pneumonia is a significant complication in these patients. This study aims to identify pneumonia risk factors and their impact on survival in HNSCC patients undergoing CCRT. Data from the Chang Gung Research Database (CGRD) were retrospectively reviewed for patients treated between January 2007 and December 2019. Of 6959 patients, 1601 (23.01%) developed pneumonia, resulting in a median overall survival (OS) of 1.2 years compared to 4.9 years in the non-pneumonia group (p < 0.001). The pneumonia group included older patients with advanced tumors, more patients with diabetes mellitus (DM), more patients with invasive procedures, longer chemotherapy and radiotherapy durations, and lower body weight. The 2-year, 5-year, and 10-year OS rates were significantly lower in the pneumonia group. Multivariate analysis identified alcohol consumption, DM, gastrostomy, nasogastric tube use, longer chemotherapy, and a 2-week radiotherapy delay as independent risk factors. Understanding these risks can lead to early interventions to prevent severe pneumonia-related complications. A better understanding of the risks of pneumonia enables early and aggressive interventions to prevent severe complications.

Revisiting Feeding Tube Utilization in Oropharynx Cancer: 6-Year Prospective Registry Analysis

OBJECTIVE

Patients treated for oropharyngeal cancer (OPC) have historically demonstrated high feeding tube rates for decreased oral intake and malnutrition. We re-examined feeding tube practices in these patients.

STUDY DESIGN

Retrospective analysis of prospective cohort from 2015 to 2021.

SETTING

Single-institution NCI-Designated Comprehensive Cancer Center.

METHODS

With IRB approval, patients with new oropharyngeal squamous cell cancer or (unknown primary with neck metastasis) were enrolled. Baseline swallowing was assessed via videofluoroscopy and Performance Status Scale for Head and Neck Cancer (PSSHN). G-tubes or nasogastric tubes (NGT) were placed for weight loss before, during, or after treatment. Prophylactic NGT were placed during transoral robotic surgery (TORS). Tube duration was censored at last disease-free follow-up. Multivariate regression was performed for G-tube placement (odds ratio [OR] [95% confidence interval [CI]) and removal (Cox hazard ratio, hazard ratio [HR] [95% CI]).

RESULTS

Of 924 patients, most had stage I to II (81%), p16+ (89%), node-positive (88%) disease. Median follow-up was 2.6 years (interquartile range 1.5-3.9). Most (91%) received radiation/chemoradiation, and 16% received TORS. G-tube rate was 27% (5% after TORS). G-tube risk was increased with chemoradiation (OR 2.78 [1.87-4.22]) and decreased with TORS (OR 0.31 [0.15-0.57]) and PSSHN-Diet score ≥60 (OR 0.26 [0.15-0.45]). G-tube removal probability over time was lower for T3 to T4 tumors (HR 0.52 [0.38-0.71]) and higher for PSSHN-Diet score ≥60 (HR 1.65 [1.03-2.66]).

CONCLUSIONS

In this modern cohort of patients treated for OPC, 27% received G-tubes-50% less than institutional rates 10 years ago. Patients with preserved baseline swallowing and/or those eligible for TORS may have lower G-tube risk and duration.

The Effect of Nasogastric Feeding after Surgery in Patients with Head and Neck Cancers - Retrospective Single Center Experience

This study aimed to assess clinical factors that could predict the need for nasogastric feeding after surgery in patients with head and neck cancer (HNC) and evaluate the effect of tube feeding on selected laboratory parameters.This single-center retrospective study included 153 patients who underwent surgery for HNC. Data on patient and tumor characteristics were collected, along with laboratory measurements. Logistic regression was used to identify the predictors of the need for nasogastric feeding. Laboratory parameters were compared between patients who required nasogastric feeding vs those who did not.Nasogastric feeding was required in 90 patients (59%). Significant predictors of nasogastric feeding in HNC patients after surgery, which were revealed by univariate regression analysis, included low body mass index (odds ratio [OR] = 0.84), squamous cell carcinoma histology (OR = 8.05), T2 tumor stage (OR = 2.27), red blood cell count (M/µL) (OR = 0.44), hemoglobin levels (g/dL) (OR = 0.80), and mean corpuscular volume (fL) (OR = 1.10). Multivariate analysis showed that low BMI (OR = 0.87) and red blood cell count (M/µL) (OR = 0.32) were prognostic factors for nasogastric feeding. A significant percentage increase in white blood cell count from admission to discharge was noted in patients who required nasogastric feeding vs those who did not (p = 0.003).Determining factors that predict the need for nasogastric feeding in HNC patients after surgery may support more personalized treatment planning to optimize clinical outcomes.

A review of unplanned admissions in head and neck cancer patients undergoing oncological treatment

AIM

Non-surgical treatment for head and neck cancer (HNC) often results in severe toxicities, which are detrimental to a patient's health and quality of life. There is limited published UK data on unplanned hospital admissions and reasons associated with admission. We aim to identify frequencies and reasons for unplanned hospital admissions, highlighting those patient groups who are most vulnerable.

METHODS

A retrospective study of unplanned hospital admissions of HNC patients receiving non-surgical treatment was completed. An inpatient admission was defined as ≥ 1 night spent in the hospital. To test potential demographic and treatment predictors of inpatient admission, a multiple regression model was constructed using the endpoint measure (unplanned admission), as the dependent variable.

RESULTS

A cohort of 216 patients was identified over a 7-month period, and 38 of these patients (17%) required an unplanned admission. Treatment type was the only statistically significant predictor of in-patient admission. The majority of admissions were patients receiving chemoradiotherapy (CRT) (58%) with predominant reasons for admission being nausea and vomiting (25.5%) and decreased oral intake/dehydration (30%). Of the patients admitted, 12 had a prophylactic PEG placed pre-treatment, and 18 of 26 admitted without prophylactic PEG required nasogastric tube feeding during their admission.

DISCUSSION

Almost one-fifth of HNC patients over this time period required hospital admission; the majority of which can be attributed to treatment toxicities when receiving CRT. This is concurrent with other studies which review the impact of radiotherapy versus CRT. Increased support and monitoring, particularly focused on nutrition, are required for patients with HNC who receive CRT.

KEY MESSAGE

This article describes a retrospective review of a patient undergoing non-surgical treatment for head and neck cancer. These patients frequently require unplanned hospital admission. The results indicate that patients undergoing (chemo)radiotherapy are most vulnerable to deterioration and additional support focused on nutrition for these patients is indicated.

Evaluation of Oropharyngeal Dysphagia in Older Patients for Risk Stratification of Pneumonia

Objective

Nasogastric tube (NGT) and percutaneous endoscopic gastrostomy (PEG) are widely used techniques to feed older patients with oropharyngeal dysphagia. Aspiration pneumonia is the most common cause of death in these patients. This study aimed to evaluate the role of oropharyngeal dysphagia in older patients on long-term enteral feeding for risk stratification of pneumonia requiring hospitalization.

Methods

We performed modified flexible endoscopic evaluation of swallowing to evaluate oropharyngeal dysphagia in older patients and conducted prospective follow-up for pneumonia requiring hospitalization. A total of 664 oral-feeding patients and 155 tube-feeding patients were enrolled. Multivariate Cox analysis was performed to identify risk factors of pneumonia requiring hospitalization.

Results

Multivariate analyses showed that the risk of pneumonia requiring hospitalization significantly increased in older patients and in patients with neurological disorders, tube feeding, and oropharyngeal dysphagia. Subgroup analysis revealed that the risk of pneumonia requiring hospitalization was significantly lower in patients with PEG than in those with NGT among the patients with oropharyngeal dysphagia (adjusted hazard ratio 0.26, 95% confidence interval: 0.11–0.63, P = 0.003).

Conclusions

For older patients with oropharyngeal dysphagia requiring long-term enteral tube feeding, PEG is a better choice than NGT. Further research is needed to elucidate the role of oropharyngeal dysphagia in enteral feeding in older patients.