Pterygopalatine Fossa Infiltration: A Radio-Anatomic Study among Adult Patients in a Tertiary Private Hospital
Objective: As a guide to the clinical practice of infiltration of local anesthesia into the pterygopalatine fossa via the greater palatine canal, this study sought to determine and record the mean CT scan measurements of the following: 1) palatal mucosal thickness, 2) length and width of greater pal...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Philippine Society of Otolaryngology-Head and Neck Surgery, Inc.
2015-06-01
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| Series: | Philippine Journal of Otolaryngology Head and Neck Surgery |
| Subjects: | |
| Online Access: | https://pjohns.pso-hns.org/index.php/pjohns/article/view/377 |
| _version_ | 1811276303911878656 |
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| author | Neil Louis L. Apale Joel A. Romualdez Rodolfo E. Rivera Joseph Benjamin M. Lu |
| author_facet | Neil Louis L. Apale Joel A. Romualdez Rodolfo E. Rivera Joseph Benjamin M. Lu |
| author_sort | Neil Louis L. Apale |
| collection | DOAJ |
| description | Objective: As a guide to the clinical practice of infiltration of local anesthesia into the pterygopalatine fossa via the greater palatine canal, this study sought to determine and record the mean CT scan measurements of the following: 1) palatal mucosal thickness, 2) length and width of greater palatine canal, and 3) length and width of pterygopalatine fossa, among adult patients in a private tertiary hospital in Quezon City.
Method:
Study Design: Retrospective, Descriptive Study
Setting: Tertiary Private Hospital
Participants: Paranasal Sinus (PNS) CT Scans of 113 adult patients from January 2014 to May 2014 were reviewed and evaluated. Excluded were images with pathology that distorted the anatomy of the sinuses and surrounding structures.
Results: Our study showed average CT scan measurements of 5.98 mm palatal mucosal thickness, 16.99 mm greater palatine canal length, 18.75 mm pterygopalatine fossa length, 2.37 mm greater palatine canal width, and 2.58 mm pterygopalatine fossa width. Comparison of average measurements by sex was not statistically significant. There was statistical significance when comparing the right palatal mucosal thickness of 5.86 mm with the left which was 6.11 mm, with p-value of 0.001. Comparison between the length of the right pterygopalatine fossa of 18.48 mm with the left side at 19.01 mm, showed statistical significance with p-value of 0.01.
Conclusion: As the average measurement of the mucosal palatal thickness combined with the length of the greater palatine canal was 22.97 mm, we recommend bending the needle 23 mm from the tip in a 45 degree angle, for adult patients who will undergo sinus surgery, control of posterior epistaxis, trigeminal nerve block, and minor oral cavity surgeries.
Keywords: pterygopalatine fossa infiltration, greater palatine canal, greater palatine foramen, regional anesthesia blocks |
| first_indexed | 2024-04-12T23:54:10Z |
| format | Article |
| id | doaj.art-d08ad2e361ec43d986b3cf231a4f045b |
| institution | Directory Open Access Journal |
| issn | 1908-4889 2094-1501 |
| language | English |
| last_indexed | 2024-04-12T23:54:10Z |
| publishDate | 2015-06-01 |
| publisher | Philippine Society of Otolaryngology-Head and Neck Surgery, Inc. |
| record_format | Article |
| series | Philippine Journal of Otolaryngology Head and Neck Surgery |
| spelling | doaj.art-d08ad2e361ec43d986b3cf231a4f045b2022-12-22T03:11:36ZengPhilippine Society of Otolaryngology-Head and Neck Surgery, Inc.Philippine Journal of Otolaryngology Head and Neck Surgery1908-48892094-15012015-06-0130110.32412/pjohns.v30i1.377Pterygopalatine Fossa Infiltration: A Radio-Anatomic Study among Adult Patients in a Tertiary Private HospitalNeil Louis L. Apale0Joel A. Romualdez1Rodolfo E. Rivera2Joseph Benjamin M. Lu3Department of Otolaryngology-Head and Neck Surgery St. Luke’s Medical Center-Quezon CityDepartment of Otolaryngology-Head and Neck Surgery St. Luke’s Medical Center-Quezon CityDepartment of Otolaryngology-Head and Neck Surgery St. Luke’s Medical Center-Quezon CityDepartment of Radiology St. Luke’s Medical CenterObjective: As a guide to the clinical practice of infiltration of local anesthesia into the pterygopalatine fossa via the greater palatine canal, this study sought to determine and record the mean CT scan measurements of the following: 1) palatal mucosal thickness, 2) length and width of greater palatine canal, and 3) length and width of pterygopalatine fossa, among adult patients in a private tertiary hospital in Quezon City. Method: Study Design: Retrospective, Descriptive Study Setting: Tertiary Private Hospital Participants: Paranasal Sinus (PNS) CT Scans of 113 adult patients from January 2014 to May 2014 were reviewed and evaluated. Excluded were images with pathology that distorted the anatomy of the sinuses and surrounding structures. Results: Our study showed average CT scan measurements of 5.98 mm palatal mucosal thickness, 16.99 mm greater palatine canal length, 18.75 mm pterygopalatine fossa length, 2.37 mm greater palatine canal width, and 2.58 mm pterygopalatine fossa width. Comparison of average measurements by sex was not statistically significant. There was statistical significance when comparing the right palatal mucosal thickness of 5.86 mm with the left which was 6.11 mm, with p-value of 0.001. Comparison between the length of the right pterygopalatine fossa of 18.48 mm with the left side at 19.01 mm, showed statistical significance with p-value of 0.01. Conclusion: As the average measurement of the mucosal palatal thickness combined with the length of the greater palatine canal was 22.97 mm, we recommend bending the needle 23 mm from the tip in a 45 degree angle, for adult patients who will undergo sinus surgery, control of posterior epistaxis, trigeminal nerve block, and minor oral cavity surgeries. Keywords: pterygopalatine fossa infiltration, greater palatine canal, greater palatine foramen, regional anesthesia blockshttps://pjohns.pso-hns.org/index.php/pjohns/article/view/377pterygopalatine fossa infiltration, greater palatine canal, greater palatine foramen, regional anesthesia blocks |
| spellingShingle | Neil Louis L. Apale Joel A. Romualdez Rodolfo E. Rivera Joseph Benjamin M. Lu Pterygopalatine Fossa Infiltration: A Radio-Anatomic Study among Adult Patients in a Tertiary Private Hospital Philippine Journal of Otolaryngology Head and Neck Surgery pterygopalatine fossa infiltration, greater palatine canal, greater palatine foramen, regional anesthesia blocks |
| title | Pterygopalatine Fossa Infiltration: A Radio-Anatomic Study among Adult Patients in a Tertiary Private Hospital |
| title_full | Pterygopalatine Fossa Infiltration: A Radio-Anatomic Study among Adult Patients in a Tertiary Private Hospital |
| title_fullStr | Pterygopalatine Fossa Infiltration: A Radio-Anatomic Study among Adult Patients in a Tertiary Private Hospital |
| title_full_unstemmed | Pterygopalatine Fossa Infiltration: A Radio-Anatomic Study among Adult Patients in a Tertiary Private Hospital |
| title_short | Pterygopalatine Fossa Infiltration: A Radio-Anatomic Study among Adult Patients in a Tertiary Private Hospital |
| title_sort | pterygopalatine fossa infiltration a radio anatomic study among adult patients in a tertiary private hospital |
| topic | pterygopalatine fossa infiltration, greater palatine canal, greater palatine foramen, regional anesthesia blocks |
| url | https://pjohns.pso-hns.org/index.php/pjohns/article/view/377 |
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