Shirley H. Bong; Bernice W. Tan; Jui May Yong; Li Shia Ng; Calvin J. Koh

doi:10.5946/ce.2020.159

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Brief Report Bleeding on the Edge—The Use of Hemostatic Powder for Treating a Bleeding Hypopharyngeal Tumor: Shirley H. Bong¹, Bernice W. Tan¹, Jui May Yong², Li Shia Ng², Calvin J. Koh^1,3,; Clinical Endoscopy 2021;54(3):441-442.
DOI: https://doi.org/10.5946/ce.2020.159
Published online: August 19, 2020

¹Division of Gastroenterology and Hepatology, National University Hospital, Singapore

²Department of Otorhinolaryngology, National University Hospital, Singapore

³Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore

Correspondence: Calvin J. Koh Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, Singapore 119228, Singapore Tel: +65-6779-5555, Fax: +65-6775-1418, E-mail: calvin_j_koh@nuhs.edu.sg

• Received: June 11, 2020 • Revised: June 19, 2020 • Accepted: June 24, 2020

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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REFERENCES

Hemospray^TM powder is a highly absorptive mineral powder, used for initial hemostasis in the setting of non-variceal upper gastrointestinal bleeding. Furthermore, its effectiveness has been studied in lower gastrointestinal bleeding. However, to the best of our knowledge, there has been no report of its use in the setting of bleeding from a non-gastrointestinal lesion. Herein, we present a case of successful Hemospray^TM usage for temporary control of massive bleeding from a non-gastrointestinal tumor. Written informed consent was obtained from the patient for publication as per hospital policy.

A 69-year-old male with a past medical history of Child’s A liver cirrhosis, secondary to alcoholic liver disease, was admitted with the complaint of per oral bleeding. He was recently diagnosed with metastatic hypopharyngeal carcinoma. A month ago, he presented with a painless neck lump and a computed tomography scan of the neck had revealed a 1.6 cm × 4.5 cm hypopharyngeal mass in contact with the aryepiglottic folds, with necrotic adenopathy of bilateral cervical lymph nodes. Nasal endoscopy revealed irregular lesions at the posterior pharyngeal wall and left pyriform fossa, with no airway obstruction.

On the present hospital admission, he presented with a large amount of per oral bleeding, and in order to protect the airway from the aspiration of massive hemorrhage, emergency otorhinolaryngologic examination was arranged after oral endotracheal intubation, and the craggy posterior pharyngeal wall tumor was noted to be actively bleeding. The patient was sent for a computed tomography angiogram demonstrating the mass (Fig. 1), but there was no contrast extravasation at the time of the study.

As the patient had a known case of liver cirrhosis, there was a concern of the possibility of variceal bleeding as the cause of per oral bleeding. An esophagogastroduodenoscopy was done, which showed no varices or upper gastrointestinal tract bleeding. On endoscopy, a large clot overlying the hypopharynx was seen (Fig. 2A), and it was flushed away to reveal the bleeding tumor (Fig. 2B). As the airway had already been secured and the bleeding was brisk, after discussion with the on-site otorhinolaryngologist, the decision was made to apply a hemostatic powder (TC-325 Hemospray^TM; Cook Medical, Bloomington, IN, USA) to the hypopharyngeal tumor (Fig. 2C, D), which was done successfully. The bleeding stopped and the patient underwent palliative radiotherapy after six days. Further details are elaborated in a Supplementary video 1. The patient remained intubated for 9 days in the intensive care unit, and after the completion of 2 sessions of palliative radiotherapy, he was successfully extubated. He completed the course of palliative radiotherapy inpatient and remained asymptomatic for 6 months post-bleeding.

TC-325 Hemospray^TM; Cook Medical is a hemostatic powder, with a two-fold mechanism for hemostasis: firstly, through the formation of a mechanical barrier at the bleeding site and secondly, by the promotion of thrombus formation via a concentration of platelets and clotting factors [1]. It is approved for use in non-variceal upper gastrointestinal bleeding, as either the primary or salvage therapy, for example, in cases of malignancy related bleeding [2]. We present a case of successful Hemospray^TM usage for temporary control of massive bleeding from a non-gastrointestinal tumor. Hypopharyngeal tumors are usually within the purview of otorhinolaryngology, as this case illustrates, but the need for hemostasis transcends all borders and fields.

The use of Hemospray^TM has potential risks [3], and there are several clinical pre-requisites for the use of Hemospray^TM in the pharynx. Firstly, upper airway intubation is essential due to aspiration risk from severe tumor bleeding, as well as a similar risk from the inhalation of the mineral powder during application. Due to the proximity of the tumor location to the mouth, there is also a potential risk of powder exposure to the endoscopist and assistant, and personal protective equipment (surgical mask and eye-shield) are, therefore, recommended. Secondly, to optimize the efficacy of the powder in hemostasis, it is suggested to leave the sprayed region undisturbed for a day unless there is overt evidence of further bleeding.

Thirdly, the hypopharynx is a confined space, and as Hemospray^TM has a spray application, it requires a typical distance of 1–2 cm from the lesion for efficient application [4]. Care must be taken during manipulation of the spray catheter in such a confined space. Finally, Hemospray^TM buys time to arrange for definitive control measures for tumor bleeding, which in this case was radiotherapy. In a case series of patients with upper gastrointestinal tumors, using Hemospray^TM as the primary modality of hemostasis reported no further bleeding in 80% at 30 days and 50% cases at 6 months.

Conflicts of Interest: The authors have no potential conflicts of interest.

Funding

None.

Supplementary Materials

Video 1.

Clinical case scenario and application of Hemospray^TM (https://doi.org/10.5946/ce.2020.159.v001).

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Fig. 1.

Axial and coronal sections showing the position of the tumor in the hypopharynx (outlined in light blue) on computed tomography.

Fig. 2.

Hemospray^TM images in the hypopharynx. (A) Bleeding hypopharyngeal tumor with the overlying blood clot. (B) The tumor is revealed in the upper left after careful flushing away of the clot (note the nasogastric tube in the bottom right). (C) The Hemospray^TM catheter advanced through the gastroscope. (D) Successful application of the hemospray with hemostasis.

REFERENCES

1. Arena M, Masci E, Eusebi LH, et al. Hemospray for treatment of acute bleeding due to upper gastrointestinal tumours. Dig Liver Dis 2017;49:514–517.Article PubMed
2. Sinha R, Lockman KA, Church NI, Plevris JN, Hayes PC. The use of hemostatic spray as an adjunct to conventional hemostatic measures in high-risk nonvariceal upper GI bleeding (with video). Gastrointest Endosc 2016;84:900–906.e3.Article PubMed
3. Yau AH, Ou G, Galorport C, et al. Safety and efficacy of Hemospray® in upper gastrointestinal bleeding. Can J Gastroenterol Hepatol 2014;28:72–76.Article PubMed PMC PDF
4. Sakai CM, Duarte RB, Baracat FI, Baracat R, de Moura EGH. Endoscopic treatment of upper-GI ulcer bleeding with hemostatic powder spray. VideoGIE 2017;2:12–13.Article PubMed PMC

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Bleeding on the Edge—The Use of Hemostatic Powder for Treating a Bleeding Hypopharyngeal Tumor

Clin Endosc. 2021;54(3):441-442. Published online August 19, 2020

DOI: https://doi.org/10.5946/ce.2020.159

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Figure

Bleeding on the Edge—The Use of Hemostatic Powder for Treating a Bleeding Hypopharyngeal Tumor

Fig. 1. Axial and coronal sections showing the position of the tumor in the hypopharynx (outlined in light blue) on computed tomography.

Fig. 2. HemosprayTM images in the hypopharynx. (A) Bleeding hypopharyngeal tumor with the overlying blood clot. (B) The tumor is revealed in the upper left after careful flushing away of the clot (note the nasogastric tube in the bottom right). (C) The HemosprayTM catheter advanced through the gastroscope. (D) Successful application of the hemospray with hemostasis.

Fig. 1.

Fig. 2.

Bleeding on the Edge—The Use of Hemostatic Powder for Treating a Bleeding Hypopharyngeal Tumor