Dobhoff tube is a specialized small-bore and flexible nasogastric tube that makes it more comfortable for placement than a usual nasogastric tube. Dobhoff tube insertion is commonly considered a relatively safe bedside procedure, but it is not without its associated risks. Inadvertent tracheobronchial placement of Dobhoff tube has been associated with severe complications, most notably pneumothorax. We present a rare cause of right-sided hemothorax following tracheobronchial insertion of a Dobhoff tube with a prolonged and arduous clinical course

Ahmed, Taha

McHale, Leslie

Shain, Lindsey M.

English

University of Kentucky

University of Kentucky UKnowledge Internal Medicine Faculty Publications Internal Medicine 2-3-2021 Hemothorax Following Traumatic Dobhoff Tube Insertion Lindsey M. Shain University of Kentucky, lindsey.shain@uky.edu Leslie McHale University of Kentucky, Leslie.McHale@uky.edu Taha Ahmed University of Kentucky, Taha.Ahmed@uky.edu Follow this and additional works at: https://uknowledge.uky.edu/internalmedicine_facpub  Part of the Internal Medicine Commons Right click to open a feedback form in a new tab to let us know how this document benefits you. Repository Citation Shain, Lindsey M.; McHale, Leslie; and Ahmed, Taha, "Hemothorax Following Traumatic Dobhoff Tube Insertion" (2021). Internal Medicine Faculty Publications. 235. https://uknowledge.uky.edu/internalmedicine_facpub/235 This Article is brought to you for free and open access by the Internal Medicine at UKnowledge. It has been accepted for inclusion in Internal Medicine Faculty Publications by an authorized administrator of UKnowledge. For more information, please contact UKnowledge@lsv.uky.edu. Hemothorax Following Traumatic Dobhoff Tube Insertion Digital Object Identifier (DOI) https://doi.org/10.7759/cureus.13097 Notes/Citation Information Published in Cureus, v. 13, issue 2, 13097. © Copyright 2021 Shain et al. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available at UKnowledge: https://uknowledge.uky.edu/internalmedicine_facpub/235 Review began  01/29/2021 Review ended  02/01/2021 Published 02/03/2021© Copyright 2021Shain et al. This is an open access articledistributed under the terms of theCreative Commons Attribution LicenseCC-BY 4.0., which permits unrestricteduse, distribution, and reproduction in anymedium, provided the original author andsource are credited.Hemothorax Following Traumatic Dobhoff TubeInsertionLindsey M. Shain  , Leslie McHale  , Taha Ahmed 1. Internal Medicine, University of Kentucky, Lexington, USACorresponding author: Taha Ahmed, tah227@uky.eduAbstractDobhoff tube is a specialized small-bore and flexible nasogastric tube that makes it more comfortable forplacement than a usual nasogastric tube. Dobhoff tube insertion is commonly considered a relatively safebedside procedure, but it is not without its associated risks. Inadvertent tracheobronchial placement ofDobhoff tube has been associated with severe complications, most notably pneumothorax. We present a rarecause of right-sided hemothorax following tracheobronchial insertion of a Dobhoff tube with a prolongedand arduous clinical course.Categories: Emergency Medicine, Internal Medicine, GastroenterologyKeywords: hemothorax, dobhoff tubeIntroductionDobhoff and other flexible, small-bore nasogastric tubes are frequently placed for maintenance of enteralnutrition and delivery of medications in the inpatient setting. Dobhoff tube placement is typicallyconsidered a benign procedure and is most often performed using only visual and tactile clues to guideinsertion during swallowing. Proper intra-gastric positioning is confirmed afterward via radiography [1,2]. Alarge majority of these cases are met with no complications. However, there have been several reportedinstances of inadvertent bronchopulmonary placement that have resulted in significant pulmonary trauma,particularly pneumothorax [3-8]. Hemothorax (a collection of blood within the pleural cavity) has beenmentioned as a potential complication of a misplaced enteral feeding tube, but very few cases have beendocumented previously [9,10]. The aim of this report is to present a unique case of traumatic hemothoraxcaused by Dobhoff tube misplacement.Case PresentationAn 86-year-old Caucasian male with a history of hypertension, peripheral vascular disease, coronary arterydisease, and rheumatoid arthritis presented to our facility as a direct transfer from an outside hospital (OSH)due to hemothorax. Per OSH documentation, the patient initially presented for acute encephalopathy. Dueto his altered mental status, reported difficulties with swallowing, and concern for malnutrition, he wasevaluated with a modified barium swallow study on hospital day (HD) 8. It demonstrated a high risk foraspiration, and a Dobhoff tube was subsequently placed at the bedside for delivery of enteral nutrition. Achest X-ray performed shortly after the tube placement demonstrated that the tip of the Dobhoff tube waswithin the right lung base, following the course of the right mainstem bronchus (Figure 1).1 1 1 Open Access CaseReport  DOI: 10.7759/cureus.13097How to cite this articleShain L M, Mchale L, Ahmed T (February 03, 2021) Hemothorax Following Traumatic Dobhoff Tube Insertion. Cureus 13(2): e13097. DOI10.7759/cureus.13097FIGURE 1: Chest X-ray demonstrating the Dobhoff tube penetrating theright lung base via the right mainstem bronchus (red arrow).The Dobhoff tube was immediately removed and replaced on HD 9 under fluoroscopic guidance. Sequentialchest X-rays on HD 10 demonstrated progressively increasing right-sided pleural effusion without evidenceof pneumothorax (Figure 2).FIGURE 2: Sequential chest X-rays demonstrating progressiveaccumulation of right-sided pleural effusion (yellow arrows).The patient became hypoxic and was intubated for acute hypoxic respiratory failure. Hemoptysis was laterobserved on endotracheal tube suctioning. Chest computed tomography (CT) the following day revealed a2021 Shain et al. Cureus 13(2): e13097. DOI 10.7759/cureus.13097 2 of 4large right-sided pleural effusion with areas of attenuation concerning for hemothorax, a right consolidatingpneumonia, and a cavitating infiltrate in the right upper lobe concerning aspiration pneumonia. Broad-spectrum antibiotics were initiated, and a chest tube was placed for drainage of hemothorax.On HD 17, the patient was transferred to our facility for continued intensive care unit (ICU) management. Hearrived on mechanical ventilation, with a right-sided chest tube in place. Broad-spectrum antibiotictreatment was continued due to persistent right consolidation and right upper lobe cavitating infiltrate.During the ICU admission, the patient’s chest tube was replaced and intrapleural combination tissueplasminogen activator (TPA) and dornase were administered with complete resolution of the hemothorax.The patient was extubated on HD 33. Subsequently, the patient failed multiple modified barium swallowstudies. Multiple Dobhoff tubes were replaced due to concern for aspiration, the necessity of maintainingenteral nutrition, and repeated removal by the patient. These were met with no further complications. Thepatient was ultimately given a percutaneous endoscopic gastrotomy tube with plans for discharge to asubacute rehabilitation center.DiscussionSmall-bore nasogastric feeding tubes continue to be used widely to provide adequate enteral nutrition topatients with barriers to normal oral intake. Due to a typical blind placement procedure, abnormalpositioning is often only appreciated after significant trauma is already dealt with in the lungs or otherorgans. Over the past few decades, the incidence of feeding tube misplacement into the bronchopulmonarysystem has remained around 1-3% of all tube placements, with pneumothorax being the most frequentcomplication [11,12]. Our case exemplifies another potentially life-threatening consequence of Dobhoff tubemisplacement, hemothorax. Hemothorax from any cause is associated with a number of seriousconsequences such as atelectasis, anemia, respiratory failure, hemorrhagic shock, and infection of pleuralfluid (i.e., empyema), among others [10]. In our patient, such dire outcomes were fortunately averted. Fullresolution of the hemothorax was achieved with chest tube placement and treatment with TPA/dornasealpha.Prior reports of traumatic Dobhoff placement have described situations in which attempts at insertion weremet with some resistance [7]. Others described uneventful placements with no resistance or other hints thatmisplacement had occurred [4,10]. Because the inciting event in the current case occurred at a hospitaloutside of the authors’ institution, the full context surrounding the feeding tube misplacement is unclear.Regardless, clinical signs during blind placement are often unreliable indicators of proper positioning. Post-insertion X-ray remains the gold standard for placement confirmation but does not necessarily preventadverse outcomes [12]. Newer techniques such as electromagnetic guidance allow for real-time tracking as afeeding tube is being advanced at a lower cost than traditional fluoroscopy and without exposure to ionizingradiation. This method has demonstrated a high success rate with reduced complications from pulmonaryplacement [13,14].In general, we aim to highlight a severe complication that may arise from a routine procedure and tohopefully increase awareness of potentially fatal consequences. A growing body of evidence supports thesafety, efficacy, and feasibility of new techniques for bedside guidance of Dobhoff tube insertion. Currently,fluoroscopy-guided placement in every patient is not a feasible solution due to cost and increased exposureto ionizing radiation. Additionally, it may take a few years for electromagnetic guidance to become morestandard. Importantly, healthcare providers should be mindful of the potential risks when inserting Dobhofftubes, and placement should at the very least be confirmed radiographically before use.ConclusionsDobhoff feeding tubes are frequently placed by various healthcare providers to maintain enteral nutrition.Despite being perceived as a common and harmless procedure, feeding tube insertion is not without risk.Due to blind placement, Dobhoff tubes may be inadvertently positioned within the lung via thetracheobronchial tree, resulting in pneumothorax or hemothorax. This case report contributes to theliterature by describing another rare instance of hemothorax from traumatic Dobhoff misplacement. Dobhoffplacement should be confirmed radiographically in all cases. Additionally, the risk of misplacement may bemitigated by increased awareness of possible complications as well as the use of techniques for moreaccurate bedside guidance.Additional InformationDisclosuresHuman subjects: Consent was obtained by all participants in this study. Conflicts of interest: Incompliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/servicesinfo: All authors have declared that no financial support was received from any organization for thesubmitted work. Financial relationships: All authors have declared that they have no financialrelationships at present or within the previous three years with any organizations that might have aninterest in the submitted work. Other relationships: All authors have declared that there are no otherrelationships or activities that could appear to have influenced the submitted work.2021 Shain et al. Cureus 13(2): e13097. DOI 10.7759/cureus.13097 3 of 4References1. 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Hemothorax Following Traumatic Dobhoff Tube Insertion

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Hemothorax Following Traumatic Dobhoff Tube Insertion

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