• Korean Journal of Bronchoesophagology
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• v.8 no.1
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• pp.92-95
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• 2002

Cervical subcutaneous emphysema usually occurs as a result of surgery or trauma. However, when it occurs spontaneously, the patient may Present with clinically impressive and dramatic features. Spontaneous subcutaneous cervical emphysema is very rare. A 20-month-old boy diagnosed bronchial asthma had been admitted and all symptoms has improved On 5th hospital admission day, sudden subcutaneous crepitation of cervical, chest and axillary area had developed, and roentgenograms of chest and neck revealed subcutaneous cervical emphysema. He was treated needle aspiration. and recovered rapidly.

• Journal of Chest Surgery
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• v.28 no.11
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• pp.1019-1024
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• 1995

Clinical analysis were performed on 68 cases of subcutaneous emphysema, those were visited at the emergency center of Chosun university hospital during the period form 1992 to 1994. The following result was obtained. 1 The incidence of subcutaneous emphysema was 0.16%, and male was dominant [M:F=6.9:1 .2 The age distribution of subcutaneous emphysema was from 4 to 77 years old and mean age was 49.6$\pm$17.8 years[$\pm$SD 3 The most presenting symptoms were chest pain[49% , and the proceeding cause was traffic accident[38% . 3 The most associated disease was a ipsilateral pneumothorax[59% . 4 Conservative management is an indication in the majority of cases of subcutaneous emphysema because it is usually a self-limited condition and spontaneous remission usually occurs. We conclude that initial effort must be made to detect the underlying cause of the subcutaneous emphysema in order that appropriate management may be undertaken.

• Journal of Korean Dental Science
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• v.16 no.1
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• pp.80-86
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• 2023

We report two rare cases of extensive bilateral subcutaneous emphysema that occurred during ordinary dental procedures. An air-driven high-speed handpiece, routinely used in dental procedures may cause subcutaneous emphysema when high pressure air is introduced into the loose connective tissues below the dermal layer. The first case occurred with surgical extraction of the lower third molar. The air introduced into the fascial spaces near the surgical field spread to the contralateral spaces, as well as the neck and chest areas. The second case also showed extensive bilateral subcutaneous emphysema caused by the introduction of compressed air from the handpiece during crown preparation without any invasive procedure. Cases where the emphysema extends beyond the treatment site to involve the contralateral cervicofacial areas have been rarely reported. Predicting the occurrence of subcutaneous emphysema is difficult, so it is important to exercise caution during routine dental treatment. If significant bilateral cervicofacial swelling is suspected to be due to subcutaneous emphysema, prompt diagnosis with securing the patient's airway will be necessary.

• Korean Journal of Bronchoesophagology
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• v.7 no.1
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• pp.62-65
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• 2001

Subcutaneous emphysema of the head and neck are well-known sequealae of surgery and trauma to the chest airway. This occurs when air is introduced into the tissue. This can happen as a complication during, or immediately after surgery. Among the causes subcutaneous emphysema due to complication of tonsillectomy, has rarely been described. Definitive treatment will depend on the cause. Recently. we have experienced two cases of subcutaneous emphysema without respiratory and circulatory insufficiency as a complication of tonsillectomy in 38-year-old male and uvulopalatopharyngoplasty in 41- year-old male.

• Korean Journal of Bronchoesophagology
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• v.4 no.2
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• pp.240-243
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• 1998

Subcutaneous emphysema is an unusual and rarely reported complication of tonsillectomy. The more commen complications are hemorrhage, infection and following anesthesia, aspiration, cardiac arrhythmia, and laryngeal trauma can occur. Posttonsillectomy subcutaneous emphysema results directly from the introduction of air into the tonsillar bed either during the surgical procedure itself or in the postoperative period. This condition is generally benign and self limiting and usually requires treatment only for the primary respiratory disease. In this report, we describe a 40-year-old female patient in whom subcutaneous emphysema developed shortly after tonsillectomy. She was observed for 5 days, at which point subcutaneous emphysema was seen on the follow up soft tissue neck X-ray to disappeared.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• v.43 no.1
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• pp.49-52
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• 2017

Subcutaneous facial emphysema after dental treatment is an uncommon complication caused by the invasion of high-pressure air; in severe cases, it can spread to the neck, mediastinum, and thorax, resulting in cervical emphysema, pneumomediastinum, and pneumothorax. The present case showed subcutaneous cervicofacial emphysema with pneumomediastinum after class V restoration. The patient was fully recovered after eight days of conservative treatment. The cause of this case was the penetration of high-pressure air through the gingival sulcus, which had a weakened gingival attachment. This case indicated that dentists should be careful to prevent subcutaneous emphysema during common dental treatments using a high-speed hand piece and gingival retraction cord.

• Korean Journal of Bronchoesophagology
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• v.14 no.1
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• pp.5-7
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• 2008

Subcutaneous cervicofacial, mediastinal emphysemas are complications associated with head and neck surgery, trauma, infectious processes, tooth extraction. Drill cooling stream and dental syringe air ject are the sources of high pressure air that may enter exposed soft tissue. Since the introduction of the high-speed air turbine drill in the 1960s, The incidence of iatrogenic subcutaneous emphysema has increased. Most cases begin to resolve after 2 to 3 days and residual swelling is usually minimal at the end of 7 to 10 days. Surgical approach is not advised because it is likely to be ineffective. The differential diagnosis of neck swelling after dental procedure includes hematoma, cellulitis, angioedema, allergic reaction, subcutaneous emphysema. We report a rare case of patient with subcutaneous cervicofacial emphysema and mediastinal emphysema secondary to third molar extraction.

• Journal of Korean Dental Science
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• v.7 no.1
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• pp.25-30
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• 2014

Subcutaneous emphysema and pneumomediastinum is a relatively uncommon phenomenon. It may occur secondary to dental treatment using high-speed air turbine handpieces, especially after extraction of tooth. Subcutaneous emphysema is often limited only to the areas of head and neck, but also can involve deeper structures. Thorough examination and conservative treatment of these problems are essential in preventing life-threatening complications such as airway obstruction and mediastinitis. The subject of this report is a 57-year-old woman with subcutaneous emphysema and pneumomediastinum during the extraction of maxillary third molar using high-speed air turbine handpiece. If there isn't any appropriate measure, severe complications may occur. Therefore it is important to be well-informed of proper diagnosis and treatment. This article shall present a case report with literature review.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.40
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• pp.12.1-12.5
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• 2018

Background: Subcutaneous emphysema refers to swelling caused by the presence of air or gas in the interstices of loose connective tissue. In the head and neck area, it may follow the fascial planes and is characterized by sudden swelling, crepitus on palpation, infrequent pain, and air emboli on radiography. It usually occurs as a complication in dental treatment. Some reports have described subcutaneous emphysema caused by dental procedures; however, severe emphysema related to peri-implantitis after treatment has not been documented. Accordingly, the current report describes a rare case of subcutaneous cervical emphysema resulting from the use of an air-powder abrasive device to treat peri-implantitis. Case presentation: Based on a review of the existing literature and the present case, nine cases of subcutaneous emphysema due to air-powder abrasive device have been reported. In most cases, the emphysema resolved over time after treatment with prophylactic antibiotics; among these, two were related to peri-implantitis management. Conclusion: Considering the frequent use of air-powder abrasive devices to treat peri-implantitis, the potential risk of iatrogenic emphysema related to this procedure needs to be addressed more extensively.

• Archives of Craniofacial Surgery
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• v.20 no.3
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• pp.199-202
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• 2019

Traumatic subcutaneous emphysema, which is the infiltration of air into subcutaneous tissues due to trauma, is caused by various factors such as chest and/or abdominal trauma, facial fractures, and barotrauma caused by mechanical ventilation. In this case report, a 32-year-old woman developed traumatic subcutaneous emphysema after undergoing abdominal liposuction at a local clinic. She was subsequently admitted to Busan Paik Hospital, and with early diagnosis and conservative treatment, she was discharged on the seventh day of hospitalization with no complications. However, because traumatic subcutaneous emphysema may accompany other injuries for various reasons, radiological examination and various tests should be performed to prevent serious complications and sequelae.