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Objectives <p>Severe odontogenic deep neck infections (DNIs) can be life threatening. This study investigated the nutritional status of affected patients and evaluated the usefulness of the Prognostic Nutritional Index (PNI) at admission in helping maxillofacial surgeons identify, at presentation, those likely to require extended hospitalization.</p> Methods <p>A total of 112 patients treated for odontogenic deep neck abscesses and necrotizing soft tissue infections at five hospitals in Japan. Patients were included. Patients were categorized by length of hospitalization duration and factors associated with prolonged hospitalization were analyzed using propensity score matching to minimize bias. Spearman’s rank correlation analysis was also performed to assess the relationship between PNI and hospitalization duration.</p> Results <p>Fifty patients (44.6%) required hospitalization for more than 14&#xa0;days. Multivariate analysis identified PNI ≤ 41.2 (odds ratio [OR] = 2.79) and the presence of abscesses in multiple deep neck spaces (OR = 2.76) as significant predictors of prolonged hospitalization. Propensity score analysis confirmed the significant association between PNI and length of hospitalization duration (<i>P</i> = 0.048). In addition, Spearman’s rank correlation coefficient was <i>r</i> = − 0.471 (<i>P</i> &lt; 0.001), indicating a moderate negative correlation.</p> Conclusion <p>The admission PNI may serve as a useful adjunctive indicator for predicting prolonged hospitalization in patients with severe odontogenic DNIs, as it reflects both nutritional status and systemic inflammation.</p>

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Admission prognostic nutritional index predicts prolonged hospitalization in severe odontogenic deep neck infections

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月4日

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  • Eiji Iwata,
  • Kyoichi Obata,
  • Shogo Kikuta,
  • Naoki Kaneko,
  • Kotaro Sato,
  • Norio Kitagawa,
  • Yohei Takeshita,
  • Katsuhisa Matsuo,
  • Junsei Sameshima,
  • Akira Tachibana,
  • Shintaro Kawano,
  • Jingo Kusukawa,
  • Masaya Akashi,
  • Joe Iwanaga,
  • Soichiro Ibaragi

摘要

Objectives

Severe odontogenic deep neck infections (DNIs) can be life threatening. This study investigated the nutritional status of affected patients and evaluated the usefulness of the Prognostic Nutritional Index (PNI) at admission in helping maxillofacial surgeons identify, at presentation, those likely to require extended hospitalization.

Methods

A total of 112 patients treated for odontogenic deep neck abscesses and necrotizing soft tissue infections at five hospitals in Japan. Patients were included. Patients were categorized by length of hospitalization duration and factors associated with prolonged hospitalization were analyzed using propensity score matching to minimize bias. Spearman’s rank correlation analysis was also performed to assess the relationship between PNI and hospitalization duration.

Results

Fifty patients (44.6%) required hospitalization for more than 14 days. Multivariate analysis identified PNI ≤ 41.2 (odds ratio [OR] = 2.79) and the presence of abscesses in multiple deep neck spaces (OR = 2.76) as significant predictors of prolonged hospitalization. Propensity score analysis confirmed the significant association between PNI and length of hospitalization duration (P = 0.048). In addition, Spearman’s rank correlation coefficient was r = − 0.471 (P < 0.001), indicating a moderate negative correlation.

Conclusion

The admission PNI may serve as a useful adjunctive indicator for predicting prolonged hospitalization in patients with severe odontogenic DNIs, as it reflects both nutritional status and systemic inflammation.