3.Internal carotid artery pseudoaneurysm caused by parapharyngeal abscess: A case report.
Chen Guang ZHANG ; Xu Yan CHEN ; Sheng WU ; Li Li FENG ; Yan WANG ; Yu CHEN ; Min DUAN ; Ke WANG ; Lin Lin SONG
Journal of Peking University(Health Sciences) 2023;55(6):1135-1138
		                        		
		                        			
		                        			Pseudoaneurysms of the neck are seldom, and those caused by neck infections especially parapharyngeal abscess are even rarer. However, it is life-threatening and may bring sudden death due to the obstruction of airway and the pseudoaneurysms rupture. We analyzed the clinical features, diagnosis and treatment of the disease through a case summary and literature review in order to guide clinical diagnosis and treatment of pseudoaneurysms. The patient, whom we presented was an 87-year-old male and admitted in emergency of our hospital with the chief complaint of neck swelling for 7 days and shortness of breath for 2 days. Cervical ultrasound examination showed that there was an liquid dark area next to the left common carotid artery which was approximately 8.0 cm × 5.0 cm, consideration of formation of left carotid artery pseudoaneurysm, and the liquid dark area which was visible on the right considered of pseudoaneurysm or infection. Angiography of neck showed a clustered high-density shadow around the bifurcation of the left carotid artery, with an overall range of approximately 65 mm × 52 mm × 72 mm, the pseudoaneurysms for sure, while on the right side of the lesion, mixed low density shadows with air could be seen, the parapharyngeal abscess for sure.Then he was diagnosed as the pseudoaneurysm of left internal carotid artery which was caused by parapharyngeal abscess. After tracheal intubation and anti-infection treatment, the patient died due to hemorrhagic shock of the ruptured of the pseudoaneurysm. Morever we performed literature search on PubMed, Wanfang database and CNKI with keywords of "neck pseudoaneurysm, neck infection, parapharyngeal abscess" and enrolled 10 cases. Then we summarized the clinical characteristics and treatment. We analyzed and summarized the 10 case reports, in which the number of male was 7. Among them, there were 4 pediatric, and 6 adults were enrolled overall. Most of the symptoms were neck swelling, and the diseased blood vessel was mainly the right internal carotid artery which accounted for half overall. All the patients underwent surgical intervention, and recovered well. So we draw the conclusion that the clinical incidence of cervical pseudoaneurysms is low and can be caused by a variety of factors, especially caused by infectious factors. When a patient has a progressive pulsating mass in the neck, the preliminary diagnosis should be made by ultrasound as soon as possible, and the aortic enhancement CT should be used to further confirm.For a patient with cervical pseudo-aneurysms caused by parapharyngeal infections, he should take operation timely combined with antibiotic treatment in time.
		                        		
		                        		
		                        		
		                        			Aged, 80 and over
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Abscess/diagnosis*
		                        			;
		                        		
		                        			Aneurysm, False/diagnosis*
		                        			;
		                        		
		                        			Carotid Artery, Common/surgery*
		                        			;
		                        		
		                        			Carotid Artery, Internal/surgery*
		                        			;
		                        		
		                        			Neck
		                        			;
		                        		
		                        			Parapharyngeal Space
		                        			
		                        		
		                        	
6.Repair of left ventricular pseudoaneurysm from mitral valve endocarditis.
Sivaraj Pillai GOVINDASAMY ; Hong Kai SHI ; Yeong Phang LIM
Singapore medical journal 2019;60(2):105-106
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Aneurysm, False
		                        			;
		                        		
		                        			diagnostic imaging
		                        			;
		                        		
		                        			surgery
		                        			;
		                        		
		                        			Anti-Bacterial Agents
		                        			;
		                        		
		                        			therapeutic use
		                        			;
		                        		
		                        			Echocardiography, Transesophageal
		                        			;
		                        		
		                        			Endocarditis, Bacterial
		                        			;
		                        		
		                        			diagnostic imaging
		                        			;
		                        		
		                        			drug therapy
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Heart Valve Prosthesis Implantation
		                        			;
		                        		
		                        			Heart Ventricles
		                        			;
		                        		
		                        			pathology
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Mitral Valve
		                        			;
		                        		
		                        			surgery
		                        			;
		                        		
		                        			Mitral Valve Insufficiency
		                        			;
		                        		
		                        			diagnostic imaging
		                        			;
		                        		
		                        			surgery
		                        			
		                        		
		                        	
7.An idiopathic delayed maxillary hemorrhage after orthognathic surgery with Le Fort I osteotomy: a case report
Byungho PARK ; Wan Hee JANG ; Bu Kyu LEE
Journal of the Korean Association of Oral and Maxillofacial Surgeons 2019;45(6):364-368
		                        		
		                        			
		                        			A Le Fort I osteotomy is a common procedure for correcting dental and facial deformities in orthognathic surgery. In rare cases, a delayed hemorrhage can occur as early as several hours or up to 12 weeks, postoperatively. The most frequently involved blood vessels in a delayed hemorrhage are the descending palatine artery, the internal maxillary artery, and the pterygoid venous plexus of veins. Intraoral bleeding accompanied by severe epistaxis in these cases makes it difficult to locate the precise bleeding focus. Eventual uncontrolled bleeding would require Merocel packing or surgical intervention. In general, a severe late postoperative hemorrhage is most effectively managed by angiography and embolization. Herein we describe a delayed hemorrhage case in which the cause was not evident on angiography. We were able to detect the bleeding point through an endoscopic nasal approach and treat it using direct cauterization.
		                        		
		                        		
		                        		
		                        			Aneurysm, False
		                        			;
		                        		
		                        			Angiography
		                        			;
		                        		
		                        			Arteries
		                        			;
		                        		
		                        			Blood Vessels
		                        			;
		                        		
		                        			Cautery
		                        			;
		                        		
		                        			Congenital Abnormalities
		                        			;
		                        		
		                        			Epistaxis
		                        			;
		                        		
		                        			Hemorrhage
		                        			;
		                        		
		                        			Maxillary Artery
		                        			;
		                        		
		                        			Orthognathic Surgery
		                        			;
		                        		
		                        			Osteotomy
		                        			;
		                        		
		                        			Postoperative Complications
		                        			;
		                        		
		                        			Postoperative Hemorrhage
		                        			;
		                        		
		                        			Veins
		                        			
		                        		
		                        	
8.Treatment of Pseudoaneurysm of Internal Maxillary Artery Resulting from Needle Injury
Na Young KIM ; Jong Yeon KIM ; Jhin Soo PYEN ; Kum WHAN ; Sung Min CHO ; Jong Wook CHOI
Korean Journal of Neurotrauma 2019;15(2):176-181
		                        		
		                        			
		                        			Pseudoaneurysm of internal maxillary artery (IMA) after trauma is rare, and most cases reported are caused by maxilla-facial blunt trauma. Pseudoaneurysm is discontinuity in the vascular wall leading to an extravascular hematoma that freely communicates with the intravascular space producing pulsatile hematoma rapidly. A 44-years-old woman presented with a pulsatile swelling and pain in the left parotid region. She underwent the masticatory muscle reduction using needle injection in dentistry 1 month ago. The left facial pulsatile swelling developed after the procedure immediately and uncontrolled bleeding occurred on the day of visit to our institution. We performed emergency angiography and diagnosed pseudoaneurysm of left IMA. We treated by embolization with Histoacryl Glue through left IMA. IMA total occlusion was confirmed and symptoms improved. Pseudoaneurysm following blunt trauma of the face have been reported but are few. Furthermore, there is no report of IMA pseudoaneurysm due to direct injury by needle. Recently, many cosmetic surgery procedures using injection techniques have been performed, and it is necessary to pay attention to the direct vessel injury by the needle. And endovascular therapies can give early recovery with minimal morbidity and avoids injury to the facial nerve and its branches.
		                        		
		                        		
		                        		
		                        			Adhesives
		                        			;
		                        		
		                        			Aneurysm, False
		                        			;
		                        		
		                        			Angiography
		                        			;
		                        		
		                        			Dentistry
		                        			;
		                        		
		                        			Emergencies
		                        			;
		                        		
		                        			Enbucrilate
		                        			;
		                        		
		                        			Facial Nerve
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Hematoma
		                        			;
		                        		
		                        			Hemorrhage
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Masticatory Muscles
		                        			;
		                        		
		                        			Maxillary Artery
		                        			;
		                        		
		                        			Needles
		                        			;
		                        		
		                        			Parotid Region
		                        			;
		                        		
		                        			Surgery, Plastic
		                        			
		                        		
		                        	
9.Surgical Treatment of Left Ventricular Pseudoaneurysm.
Yan ZHANG ; Yan YANG ; Han-Song SUN ; Yue TANG
Chinese Medical Journal 2018;131(12):1496-1497
10.Infectious Pseudoaneurysm Caused by Group A Streptococcus in a Child without Underlying Disease.
Kyoung Ha KIM ; Hyunju LEE ; Chi Eun OH
Pediatric Infection & Vaccine 2017;24(3):183-187
		                        		
		                        			
		                        			Group A streptococcus is a common cause of upper respiratory infection in children; however, it is a rare cause of pseudoaneurysm in pediatrics with only limited reports of cases associated with cardiac surgery and underlying disease. We report a case of infectious pseudoaneurysm of the right internal iliac artery caused by group A streptococcus in a previously healthy 5-year-old boy who presented with scarlet fever and group A streptococcal bacteremia. He was admitted to the hospital with fever, rash on the whole body, and sore throat, accompanied by severe leg pain. He was treated with surgical removal and antibiotics. Because a pseudoaneurysm may develop in children without vascularrelated underlying diseases, we should consider the possibility of this important clinical diagnosis in patients with scarlet fever.
		                        		
		                        		
		                        		
		                        			Aneurysm, False*
		                        			;
		                        		
		                        			Aneurysm, Infected
		                        			;
		                        		
		                        			Anti-Bacterial Agents
		                        			;
		                        		
		                        			Bacteremia
		                        			;
		                        		
		                        			Child*
		                        			;
		                        		
		                        			Child, Preschool
		                        			;
		                        		
		                        			Diagnosis
		                        			;
		                        		
		                        			Exanthema
		                        			;
		                        		
		                        			Fever
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Iliac Artery
		                        			;
		                        		
		                        			Leg
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Pediatrics
		                        			;
		                        		
		                        			Pharyngitis
		                        			;
		                        		
		                        			Scarlet Fever
		                        			;
		                        		
		                        			Streptococcus pyogenes
		                        			;
		                        		
		                        			Streptococcus*
		                        			;
		                        		
		                        			Thoracic Surgery
		                        			
		                        		
		                        	
            
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