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Harada T, Kawasaki Y, Tsukada A, Osawa Y, Takami H, Yamaguchi K, Kurai J, Yamasaki A, Shimizu E. Bronchodilator Reversibility Occurring during the Acute Phase of Paragonimiasis westermani Infection. Intern Med 2019; 58:297-300. [PMID: 30146559 PMCID: PMC6378150 DOI: 10.2169/internalmedicine.0401-17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
A 43-year-old woman was referred to our hospital with peripheral blood hypereosinophilia and abnormal chest X-ray findings. Her pleural effusion revealed hypereosinophilia and a low glucose level. She was diagnosed with pulmonary paragonimiasis based on an elevated antibody level of Paragonimiasis westermani. Although she had no medical history of allergic disorders, a pulmonary function test revealed bronchodilator reversibility. After praziquantel therapy, her symptoms, hypereosinophilia in peripheral blood, and pleural effusion were improved. A repeated pulmonary function test after praziquantel therapy showed a negative bronchodilator response. Pulmonary paragonimiasis may induce bronchodilator reversibility during the acute phase of infection.
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Affiliation(s)
- Tomoya Harada
- Division of Medical Oncology and Molecular Respirology, Faculty of Medicine, Tottori University, Japan
- Division of Respirology, Tsuyama Daiichi Hospital, Japan
| | - Yuji Kawasaki
- Division of Respirology, Tsuyama Daiichi Hospital, Japan
| | - Akira Tsukada
- Department of Clinical Laboratory, Tsuyama Daiichi Hospital, Japan
| | - Yoichi Osawa
- Department of Clinical Laboratory, Tsuyama Daiichi Hospital, Japan
| | - Hiroki Takami
- Division of Respirology, Tsuyama Daiichi Hospital, Japan
| | - Kosuke Yamaguchi
- Division of Medical Oncology and Molecular Respirology, Faculty of Medicine, Tottori University, Japan
| | - Jun Kurai
- Division of Medical Oncology and Molecular Respirology, Faculty of Medicine, Tottori University, Japan
| | - Akira Yamasaki
- Division of Medical Oncology and Molecular Respirology, Faculty of Medicine, Tottori University, Japan
| | - Eiji Shimizu
- Division of Medical Oncology and Molecular Respirology, Faculty of Medicine, Tottori University, Japan
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Abstract
BACKGROUND Paragonimiasis infection has no specific symptoms or typical radiologic findings, leading to the possibility of misdiagnosis. Thus, the objective of this study was to analyze clinical and radiological features, and treatment outcome of paragonimiasis in children in Southwest China to improve the awareness of this disease. METHODS We retrospectively reviewed the records of children diagnosed with paragonimiasis in West China Second University Hospital between 2005 and 2016. The confirmed diagnosis of paragonimiasis was based on epidemiology history and seropositivity for paragonimiasis and/or detection of paragonimus eggs. Clinical, laboratory, and imaging findings of patients were examined in order to summarize risk factors, clinical characteristics, and treatment outcomes of these patients. RESULTS A total of 123 patients were included; of them 112 (91.1%) lived in villages and 72 (58.5%) had a history of consuming freshwater crabs. Patients with paragonimiasis most frequently showed respiratory symptoms, including cough (26.0%, 32/123) and tachypnea (16.3%, 20/123), and gastrointestinal symptoms, including abdominal pain (26.8%, 33/123), abdominal distention (22.8%, 28/123), and vomiting (13.0%, 16/123). Laboratory examination showed elevated white blood cell (WBC) counts in the peripheral blood in 89 (72.4%) patients and eosinophilia in 102 (82.9%) patients. Tuberculosis (TB) coinfection was found in 4 (3.3%) patients. Main imaging findings included: effusions (90.4%), lymphadenopathy (40.4%), pulmonary ground-glass opacities (36.2%), cystic lesions (18.1%), and pleural thickening (17.0%). Twenty-nine patients (23.6%) received more than 1 course of praziquantel (PZQ). Additionally, 4 (19.0%) of 21 patients who were discharged from the hospital without complete treatment required rehospitalization for residual serous effusions. Moreover, patients from pericardial effusion group showed longer hospital stays and less elevated WBC counts than those from nonpericardial effusion group. CONCLUSION Paragonimiasis should be considered in patients from endemic areas, especially in those with gastrointestinal and/or respiratory symptoms, elevated WBC count, eosinophilia, and serous effusions. Additionally, longer hospital stay may be necessary in cases of paragonimiasis associated with pericardial effusions.
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Gaire D, Sharma S, Poudel K, Pant P. Unresolving Pneumonia with Pleural effusion: Pulmonary Paragonimiasis. JNMA J Nepal Med Assoc 2017; 56:268-270. [PMID: 28746328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023] Open
Abstract
Paragonimiasis is a zoonosis caused by many species of Paragonimus commonly P. westermani. Human get infected by eating raw, salted, pickled, smoked, partially cooked crustaceans (crayfish or crabs). Clinical manifestations ranges from non-specific symptoms like pain abdomen, diarrhea, urticarial rashes, fever to pleuropulmonary symptoms like cough, hemoptysis, chest pain and dyspnea. A 48 years, female presented at TUTH emergency with fever on and off for nine months, cough and shortness of breath for three months, lethargy, malaise and urticaria with history of raw crab intake one month prior to the onset of symptoms. Blood and pleural fluid analysis revealed raised total counts with eosinophilia and x-ray showed bilateral infiltration of lower lobes with pleural effusion. Diagnosis was confirmed by microscopic examination of sputum for Paragonimus. She responded well to Praziquantel. Pulmonary paragonimiasis must be considered in the differential diagnosis of unresolving pneumonia and unexplained hypereosinophilia.
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Affiliation(s)
- D Gaire
- Department of Internal Medicine, Institute of Medicine, Kathmandu, Nepal
| | - S Sharma
- Department of Internal Medicine, Institute of Medicine, Kathmandu, Nepal
| | - K Poudel
- Department of Internal Medicine, Institute of Medicine, Kathmandu, Nepal
| | - P Pant
- Department of Internal Medicine, Institute of Medicine, Kathmandu, Nepal
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Prasad K, Basu A, Khana S, Wattal C. Pulmonary Paragonimiasis Mimicking Tuberculosis. J Assoc Physicians India 2015; 63:82-83. [PMID: 27604443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Paragonimiasis is a disease which is frequently misdiagnosed as pulmonary tuberculosis. In the areas where people eat crab/crayfish this disease should be considered in the differential diagnosis to avoid antituberculosis treatment for a non-tubercular condition. We are reporting a case of pulmonary paragonimiasis who had been treated for tuberculosis.
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Affiliation(s)
| | - Arup Basu
- Sr. Consultant and Professor, Department of Chest Diseases, Sir Ganga Ram Hospital, New Delhi
| | | | - Chand Wattal
- Chairman, Sr. Consultant and Professor, Department of Clinical Microbiology and Immunology
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Belizario V, Totanes FI, Asuncion CA, De Leon W, Jorge M, Ang C, Naig JR. Integrated surveillance of pulmonary tuberculosis and paragonimiasis in Zamboanga del Norte, the Philippines. Pathog Glob Health 2014; 108:95-102. [PMID: 24601907 DOI: 10.1179/2047773214y.0000000129] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
BACKGROUND Pulmonary tuberculosis (PTB) and paragonimiasis remain as health problems in certain areas in the Philippines. Both share similar clinical manifestations, which include chronic productive cough, hemoptysis, dyspnea, fever, weight loss, and night sweats. This study aimed to determine the prevalence of PTB, paragonimiasis, and co-infections in Zamboanga del Norte, Philippines. METHODS This study was conducted in selected villages in two municipalities in Zamboanga del Norte. Patients with chronic cough were interviewed, examined, and requested to submit two sputum samples which were processed using Ziehl-Neelsen method to detect acid-fast bacilli (AFB), and NaOH concentration technique for the detection of Paragonimus ova. RESULTS A total of 836 patients submitted sputum samples for examination. Prevalence was 6·7% (2·5-12·7%) for paragonimiasis and 1·9% (0·9-6·3%) for PTB. Co-infection rate was 0·3%, with two identified cases. Positivity rates for males and females were 9·6 and 5·8% for paragonimiasis and 3·4 and 1·2% for PTB. CONCLUSION Pulmonary tuberculosis and paragonimiasis are co-endemic in Zamboanga del Norte, suggesting the need to integrate surveillance and control efforts. Strengthening local health systems through collaboration between different sectors is recommended for effective disease control. Development of more sensitive diagnostic tests is important for more accurate disease surveillance.
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Jin Y, Choi IY, Kim C, Hong S, Kim WK. Excretory-secretory products from Paragonimus westermani increase nitric oxide production in microglia in PKC-dependent and -independent manners. Neurosci Res 2009; 65:141-7. [PMID: 19539668 DOI: 10.1016/j.neures.2009.06.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2009] [Revised: 06/01/2009] [Accepted: 06/06/2009] [Indexed: 01/13/2023]
Abstract
Excretory-secretory products (ESP) from helminthic parasites may play pivotal roles in the immune regulation in hosts. Previously, we reported that ESP produced from Paragonimus westermani induced morphological activation of microglial cells and markedly stimulated nitric oxide (NO) production via activation of mitogen-activated protein kinases (MAPKs). In the present study, we investigated the role of protein kinase C and protein kinase A in MAPKs-dependent NO production by ESP. We found that treatment with protein kinase C inhibitor Go6976 strongly inhibited the phosphorylation of p38 and JNK, but not ERK, of MAPKs and decreased the production of NO in ESP-stimulated microglial cells. Inhibition of ERK, p38 or PKC decreased the ESP-induced activation of NF-kappaB, an important transcription factor for iNOS expression. Furthermore, ESP increased the level of p-CREB in microglial cells. However, adenylyl cyclase activator (forskolin), adenylyl cyclase inhibitor (SQ22536), cAMP analogue (db-cAMP) or protein kinase A inhibitor (H89) was not able to change iNOS expression and NO production in ESP-treated microglial cells. It implies that the cAMP-PKA-CREB pathway is not implicated in the ESP-evoked NO production in microglial cells. Thus, our results indicate that ESP stimulates microglial expression of iNOS via both PKC-dependent and -independent MAPKs phosphorylation and NF-kappaB activation.
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Affiliation(s)
- Youngnam Jin
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine, Rochester, NY 14627, USA
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Song C, Tan A. [33 children with cerebral paragonimiasis]. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 2009; 17:320. [PMID: 12563875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
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Na BK, Kim SH, Lee EG, Kim TS, Bae YA, Kang I, Yu JR, Sohn WM, Cho SY, Kong Y. Critical roles for excretory-secretory cysteine proteases during tissue invasion of Paragonimus westermani newly excysted metacercariae. Cell Microbiol 2006; 8:1034-46. [PMID: 16681843 DOI: 10.1111/j.1462-5822.2006.00685.x] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Paragonimus westermani is a trematode parasite, which causes pulmonary and/or extrapulmonary granulomatous disease in humans. Successful invasion of the host tissue is critical for the survival of this tissue-invasive parasite. The enzymatic hydrolysis of host proteins is clearly a prerequisite of this process. In this study, we have investigated the functional roles of the excretory-secretory cysteine proteases of P. westermani newly excysted metacercariae (PwNEM) in tissue invasion. The 27 and 28 kDa enzymes (PwMc27 and PwMc28) purified from PwNEM excretory-secretory products (ESP), preferentially degraded fibrillar proteins, but not globular proteins. PwMc28 significantly facilitated the invasion of PwNEM into mouse peritoneum, whereas a diffusible cysteine protease inhibitor, trans-epoxysuccinyl-L-leuciloamido-(4-guanidino) butane (E-64) inhibited this process dose-dependently. Two distinct isoforms of PwMc28 (PwMc28a and PwMc28b), which exhibited two amino acid differences in their mature domains, were identified by tandem mass spectrometry and sequence analysis. Both enzymes were localized at the tegument on the anterior border and on the oral sucker, which suggests excretion-secretion via exocytosis or via the excretory canal network. The mRNA transcripts of PwMc28a and b were expressed abundantly during the active invasion/migration through the host's tissues, suggesting their relevant function to tissue invasion/migration in the definitive host.
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Affiliation(s)
- Byoung-Kuk Na
- Department of Molecular Parasitology and Center for Molecular Medicine, Samsung Biomedical Research Institute and Sungkyunkwan University School of Medicine, Suwon 440-746, Korea
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Meehan AM, Virk A, Swanson K, Poeschla EM. Severe pleuropulmonary paragonimiasis 8 years after emigration from a region of endemicity. Clin Infect Dis 2002; 35:87-90. [PMID: 12060881 DOI: 10.1086/340709] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2001] [Revised: 01/29/2002] [Indexed: 11/03/2022] Open
Abstract
A Laotian man who had resided only in the north-central United States for 8 years sought care for an acute, progressive syndrome of severe dyspnea, chest pain, bilateral pneumothoraces, lung and liver nodules, and marked peripheral blood eosinophilia. He habitually ate raw crabmeat imported pickled or frozen from Southeast Asia; he denied eating local crustaceans. Ova consistent with the lung fluke Paragonimus westermani were identified in a bronchoalveolar lavage specimen, and the eosinophilia and pulmonary symptoms resolved with praziquantel therapy.
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Affiliation(s)
- Anne M Meehan
- Division of Infectious Diseases, Mayo Clinic, Rochester, Rochester, M,N 55905, USA
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Tokojima M, Mukae H, Sano A, Iiboshi H, Matsumoto K, Ashitani J, Katoh S, Ihi T, Matsukura S, Matsuzaki Y. [Clinical features in twenty-three patients with paragonimiasis westermani]. Nihon Kokyuki Gakkai Zasshi 2001; 39:910-4. [PMID: 11875806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/17/2023]
Abstract
We assessed the clinical features in twenty-three cases diagnosed as paragonimiasis westermani from April 1988 to May 2000 in our clinic at Miyazaki Medical College Hospital. Twenty-one patients had eaten wild boar or crab meat. Their symptoms included productive cough, chest pain and hemosputum. The findings of radiography and computed tomography (CT) were nodules, masses, infiltrative shadows and pleural effusion. The percentages of eosinophils in the peripheral blood were elevated in 16 of 23 patients, and the serum IgE values were elevated in 12 of 18 patients. Serologic tests, which are very helpful for diagnostic purposes were performed on the blood sera of all patients, and on the pleural effusions of five patients. It is often difficult to diagnose paragonimiasis westermani in patients in whom eosinophilia or increased serum IgE is not present. However, paragonimiasis westermani should also be considered as a possible diagnosis when abnormal shadows are found in chest radiographs and chest CT.
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Affiliation(s)
- M Tokojima
- Third Department of Internal Medicine, Miyazaki Medical College, Kiyotake 5200, Miyazaki 889-1692, Japan
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De NV, Cong LD, Kino H, Son DT, Vien HV. Epidemiology, symptoms and treatment of paragonimiasis in Sin Ho district, Lai Chau province, Vietnam. Southeast Asian J Trop Med Public Health 2001; 31 Suppl 1:26-30. [PMID: 11414455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Sin Ho is a district of the northern mountainous province of Lai Chau, Vietnam, where the people have the habit of eating undercooked crabs. A study on paragoniamiasis carried out from 1994 to 1995 with 1,642 persons in this endemic area, showed that the rate of eating raw-crab was 72.5%. Crab examination (Ranguna kimboiensis) showed an infection rate of Paragonimus metacercaria of 98.1%. With 624 stool samples examined by Kato technique, the infection rate of Paragonimus in humans was 6.4%. With 338 sputum samples examined by direct and centrifuge methods, the infection rate of Paragonimus was 7.4%. Most of the patients were children (63.2%). The infection rate of Paragonimus in dogs was 18.2 - 33.3%. Adult worms, collected from the dogs in the field and from the cats in laboratory, were identified as Paragonimus heterotremus. The main symptoms of Paragonimus patients were cough and hemoptysis (92%), discontinuously developed (96%), without fever (94%), chest pain (70%), pleural effusion (26%), neurogical symptoms (8%), eosinophilia (88.9%), nodular ring shadows in the lungs, as shown by chest X-ray examination and more in lower lobe, (76.2%). Paragonimiasis patients were treated by (a) Praziquantel 25 mg/kg/day x 3 days; the cure rate was 68.8%. (b) Praziquantel 50 mg/kg/day x 3 days; the cure rate was 75%.
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Affiliation(s)
- N V De
- National Institute of Malariology, Parasitology and Entomology, Ha Noi, Vietnam
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Nakamura-Uchiyama F, Onah DN, Nawa Y. Clinical Features of Paragonimiasis Cases Recently Found in Japan: Parasite‐Specific Immunoglobulin M and G Antibody Classes. Clin Infect Dis 2001; 32:e151-3. [PMID: 11360226 DOI: 10.1086/320750] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2000] [Revised: 10/02/2000] [Indexed: 11/03/2022] Open
Abstract
We retrospectively analyzed clinical features in 30 patients who were referred to our laboratory and given a diagnosis of Paragonimus westermani infection in 1999. Our results indicate that pleurisy with eosinophilia and dominant immunoglobulin (Ig) M antibody are characteristic features of the early stage of paragonimiasis, whereas IgG antibody is dominant in the late stage. Thus, in addition to tests for parasite-specific IgG antibody, tests for IgM-class antibody should always be considered for patients with pleurisy in whom paragonimiasis is suspected.
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Affiliation(s)
- D J Kusner
- Division of Geographic Medicine, Case Western Reserve University School of Medicine, Cleveland, OH 44106-4983
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