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Vaggi S, Vitali F, Zanirato A, Quarto E, Colò G, Formica M. Minimally invasive surgery in medial displacement calcaneal osteotomy for acquired flatfoot deformity: a systematic review of the literature. Arch Orthop Trauma Surg 2024; 144:1139-1147. [PMID: 38212588 DOI: 10.1007/s00402-023-05188-z] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 12/19/2023] [Indexed: 01/13/2024]
Abstract
BACKGROUND Minimally invasive surgery (MIS) in medial displacement calcaneus osteotomy (MDCO) has been proposed for surgical correction of adult-acquired flat foot deformity (AAFD) to reduce complications of open approaches. The aim of our study is to systematically analyze complications and the clinical and radiological results of MIS- MDCO. METHODS A systematic review of the English literature was performed on 30th October 2023. Randomized controlled trials and non-randomized trials, cohort studies, case-control studies and case series concerning surgical correction of AAFD with MIS-MDCO and with at least 15 patients were included. Case reports, technical notes, animal or cadaveric studies were excluded. The quality and risk of bias of the studies included were evaluated using GRADE and MINORS systems. Complications rate, clinical and radiological results were inferred from the studies included. RESULTS Nine articles were included. A total of 501 cases treated with MIS-MDCO were analysed with a mean follow-up of 11.9 ± 5.1 months. The reported wound infection rate was about 3% and sural neuropathy was rated about 1%. Only 4% of the cases required removal of the screw for pain. In the comparative studies (MIS versus Open MDCO), comparable clinical results but with significant differences (P < 0.001) in infection rates (1% versus 14%) and sural neuropathy (2% versus 1%) were observed. CONCLUSION AAFD correction performed with MIS-MDCO, with the limitation of a poor quality and high risk of bias of the included studies, seems to provide good clinical results and high subjective satisfaction with a lower complication rate compared to open approach. Further high-quality long-term comparative studies could better clarify complications and clinical and radiological outcomes of the MIS technique in the treatment of AAFD. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- S Vaggi
- Dipartimento Di Scienze Chirurgiche E Diagnostiche Integrate, Università Degli Studi Di Genova - DISC, Viale Benedetto XV 6, 16132, Genova, GE, Italy
- Clinica Ortopedica, IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genova, GE, Italy
| | - F Vitali
- Dipartimento Di Scienze Chirurgiche E Diagnostiche Integrate, Università Degli Studi Di Genova - DISC, Viale Benedetto XV 6, 16132, Genova, GE, Italy
- Clinica Ortopedica, IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genova, GE, Italy
| | - A Zanirato
- Dipartimento Di Scienze Chirurgiche E Diagnostiche Integrate, Università Degli Studi Di Genova - DISC, Viale Benedetto XV 6, 16132, Genova, GE, Italy.
- Clinica Ortopedica, IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genova, GE, Italy.
| | - E Quarto
- Clinica Ortopedica, IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genova, GE, Italy
| | - G Colò
- Orthopaedics and Traumatology Unit, SS Antonio and Biagio and Cesare Arrigo Hospital, 15121, Alessandria, Italy
| | - M Formica
- Dipartimento Di Scienze Chirurgiche E Diagnostiche Integrate, Università Degli Studi Di Genova - DISC, Viale Benedetto XV 6, 16132, Genova, GE, Italy
- Clinica Ortopedica, IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genova, GE, Italy
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Zanchini F, Catani O, Sergio F, Boemio A, Sieczak A, Piscopo D, Risitano S, Colò G, Fusini F. Role of lateral soft tissues release in percutaneous hallux valgus correction: A medium term retrospective study. World J Orthop 2023; 14:843-852. [PMID: 38173806 PMCID: PMC10758593 DOI: 10.5312/wjo.v14.i12.843] [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] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/12/2023] [Accepted: 11/17/2023] [Indexed: 12/15/2023] Open
Abstract
BACKGROUND In the field of minimally invasive surgery (MIS) for the treatment of hallux valgus (HV), different techniques have begun to emerge in the literature concerning the distal osteotomy of the first metatarsal bone, the synthesis or not of the metatarsal head, the possible association with lateral soft tissues release (LSTR) and osteotomy of the base of the first phalanx. AIM To evaluate the role of LSTR on percutaneous HV correction, evaluating functional and radiographical results. METHODS From January 2012 to May 2016 a total of 396 patients with mild to moderate symptomatic HV treated with the MIS technique were included in this retrospective study. The technique provides no internal fixation (WOS). Patients were divided into the LSTR group and no LSTR group (LSTR N). This surgical procedure (LSTR) was reserved for insufficient HV angle (HVA) correction during fluoroscopic control. Patients were evaluated at each follow-up by two other authors after appropriate training by senior authors (first practitioners). Clinical evaluation was performed before surgery, 6 mo after surgery, and 48 mo follow-up. American Orthopaedic Foot and Ankle Society (AOFAS) and visual analog scale (VAS) score was used to evaluate pain and function, and complications were recorded. In addition, the incidence of relapses and the degree of joint range of motion (ROM) with the association with the LSTR (capsule, adductor tendon, phalanx-sesamoid ligament, and the deep transverse metatarsal ligament) were evaluated. Radiological parameters included HVA and intermetatarsal angle (IMA). Patient satisfaction was assessed. Student t-test and Fisher exact test were used to assess statistical analysis. RESULTS From our study it is clear that no differences in term of HVA, VAS, IMA correction, rate of complications, and AOFAS score were found between groups, while a significant improvement of the same variables was found in each group between pre and postoperative values. A significant improvement in ROM at 6 mo (P = 0.018) and 48 mo (P = 0.02) of follow-up was found in LSTR N group. Complications were rare in both groups. CONCLUSION LSTR procedure on percutaneous HV correction seems to increase postoperative joint stiffness with a comparable incidence of relapse and a low incidence of complications.
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Affiliation(s)
- Fabio Zanchini
- Division of Orthopaedics and Traumatology, Multidisciplinary Department of Medical-Surgical and Dental Specialties, Clinical Orthopeadics, University of Campania “Luigi Vanvitelli”, Naples 80138, Italy
| | - Ottorino Catani
- Department of Foot Surgery, Casa di cura Santa Maria, Santa Maria Capua Vetere 81055, Italy
| | - Fabrizio Sergio
- Department of Foot an Ankle Surgery, Casa di cura Santa Maria, Santa Maria Capua Vetere 81055, Italy
| | - Alessia Boemio
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, Clinical Orthopeadics, AOU Luigi Vanvitelli, Napoli 80138, Italy
| | - Angelo Sieczak
- Clinical Orthopeadics, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Davide Piscopo
- Clinical Orthopeadics, University of Campania Luigi Vanvitelli, Naples 80138, Italy
| | - Salvatore Risitano
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, Turin 10126, Italy
| | - Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Alessandria 15121, Italy
| | - Federico Fusini
- Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, Cuneo 12084, Italy
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Fusini F, Girardo M, Aprato A, Massè A, Risitano S, Colò G. In Reply to the Letter to the Editor Regarding "Percutaneous Cement Discoplasty in Degenerative Spinal Disease: Systematic Review of Indications, Clinical Outcomes, and Complications". World Neurosurg 2023; 178:279. [PMID: 37803670 DOI: 10.1016/j.wneu.2023.07.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 10/08/2023]
Affiliation(s)
- Federico Fusini
- Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, Mondovì, Cuneo, Italy.
| | - Massimo Girardo
- Spine Surgery Unit, Orthopaedic and Trauma Centre, Orthopaedic and Trauma Centre, University of Turin, Turin, Italy
| | - Alessandro Aprato
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, University of Turin, Turin, Italy
| | - Alessandro Massè
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, University of Turin, Turin, Italy
| | - Salvatore Risitano
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, University of Turin, Turin, Italy
| | - Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Alessandria, Italy
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Li ZZ, Niu YF, Colò G. Toward a Unified Description of Isoscalar Giant Monopole Resonances in a Self-Consistent Quasiparticle-Vibration Coupling Approach. Phys Rev Lett 2023; 131:082501. [PMID: 37683162 DOI: 10.1103/physrevlett.131.082501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/20/2023] [Accepted: 07/07/2023] [Indexed: 09/10/2023]
Abstract
The nuclear incompressibility is a key parameter of the nuclear equation of state that can be extracted from the measurements of the so-called "breathing mode" of finite nuclei. The most serious discrepancy so far is between values extracted from Pb and Sn, that has provoked the longstanding question "Why is tin so soft?". To solve this puzzle, a fully self-consistent quasiparticle random-phase approximation plus quasiparticle-vibration coupling approach based on Skyrme-Hartree-Fock-Bogoliubov is developed. We show that the many-body correlations introduced by quasiparticle-vibration coupling, which shift the isoscalar giant monopole resonance energy in Sn isotopes by about 0.4 MeV more than the energy in ^{208}Pb, play a crucial role in providing a unified description of the isoscalar giant monopole resonance in Sn and Pb isotopes. The best description of the experimental strength functions is given by SV-K226 and KDE0, which are characterized by incompressibility values K_{∞}=226 MeV and 229 MeV, respectively, at mean field level.
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Affiliation(s)
- Z Z Li
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
- Frontiers Science Center for Rare Isotope, Lanzhou University, Lanzhou 730000, China
- Dipartimento di Fisica, Università degli Studi di Milano, via Celoria 16, 20133 Milano, Italy
| | - Y F Niu
- School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
- Frontiers Science Center for Rare Isotope, Lanzhou University, Lanzhou 730000, China
| | - G Colò
- Dipartimento di Fisica, Università degli Studi di Milano, via Celoria 16, 20133 Milano, Italy
- INFN sezione di Milano, via Celoria 16, 20133 Milano, Italy
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Zanchini F, Piscopo D, Pola E, Cipolloni V, Piscopo A, Cacciapuoti S, Colò G, Fusini F. Revision of total knee arthroplasty with press-fit condylar SIGMA TC3-mobile bearing system and porous metaphyseal sleeves in type AORI type II and III bone defects. A long-term follow-up study. Acta Biomed 2023; 94:e2023183. [PMID: 37539615 PMCID: PMC10440776 DOI: 10.23750/abm.v94i4.13117] [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] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 06/07/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND AND AIM Revision total knee arthroplasty(rTKA) is a challenging and expensive treatment for orthopedic surgeons who have to deal with poor bone quality and bone loss. This study aims to retrospectively evaluate the clinical and radiological results of patients undergoing rTKA and porous metaphyseal sleeves in AORI type II and III bone defects. METHODS We conducted a retrospective series of continuous patients treated for mechanical failure of TKA. All patients with aseptic loosening of TKR underwent revision arthroplasty. We included only patients with AORI type IIa/b and III bone defects. The Septic revision or other grades of bone defect or patients lost at follow-up or with less than 2 years follow-up were excluded. We evaluated knee function with Oxford Knee Score (OKS) pain with Visual Analogue Scale (VAS) and range of motion (flex-ext), while radiological evaluation was performed to evaluate any sign of loosening. RESULTS The mean preoperative OKS was 13.85 +/- 5.39 (range 5 -22), and it improved to 33.89 +/- 3.98 (range 20 - 40) (p<0.00001). The mean preoperative VAS was 7.77 +/- 1.33 (range 5 - 9), and it improved to 1.89 +/- 0.92 (range 0 - 4) (p<0.00001). ROM improved from 62.23° +/- 13.71° (range 40° - 90°) to 100.53° +/- 6.93° (range 90° - 120°) (p<0.00001). No signs of loosening or implant migration were reported. CONCLUSIONS Metaphyseal sleeves made knee revision in large bone defects reliable and effective with good results. Good implant stability was reached in all the cases treated with metaphyseal sleeves.
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Affiliation(s)
| | | | | | | | - Antonio Piscopo
- Department of Orthopedics and Traumatology, Sacro Cuore di Gesù Fatebenefratelli Hospital, Benevento, Italy.
| | | | | | - Federico Fusini
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Center, University of Turin, via Zuretti 29, 10121, Turin.
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Colò G, Bignotti B, Costa G, Signori A, Tagliafico AS. Ultrasound or MRI in the Evaluation of Anterior Talofibular Ligament (ATFL) Injuries: Systematic Review and Meta-Analysis. Diagnostics (Basel) 2023; 13:2324. [PMID: 37510068 PMCID: PMC10378286 DOI: 10.3390/diagnostics13142324] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 07/30/2023] Open
Abstract
OBJECTIVES Ankle sprains represent the second most common cause of emergency department access for musculoskeletal injury and lateral ankle ligament complex tears account for 850,000 cases annually in the United States with a relapse rate of 70%. Clinical examination is limited due to its subjectivity and the difficulty of identifying a specific involvement of the ligament; therefore, US and MRI are frequently requested. Therefore, the goal of this study is to analyze the available literature on the use of ultrasound (US) and magnetic resonance imaging (MRI) to diagnose injuries to the anterior talofibular ligament (ATFL) with a meta-analytic approach. METHODS According to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses) guidelines, all studies regarding the diagnostic accuracy of ultrasound and magnetic resonance imaging ATFL injuries were searched and assessed. The data were obtained from two independent reviewers with 12 and 3 years of experience in meta-analysis. A QUADAS-2 (Quality Assessment of Studies of Diagnostic Accuracy Studies) checklist was carried out to assess the risk of biases. From the selected studies, the sensitivity, specificity, and accuracy data were extracted. RESULTS Nine studies were included. The results of the meta-analysis demonstrate a greater sensitivity for ultrasound [96.88 (95% CI: 94-99) (fixed effects); 97 (95% CI: 94-99) (random effects)] compared to MRI [88.50 (95% CI: 85-91) (fixed effects); 86.98 (95% CI: 77-94) (random effects)], p < 0.05. The result of this meta-analysis shows that the less expensive diagnostic technique is also the most sensitive for the diagnosis of ATFL tears. Ultrasound articles resulted to have non-heterogeneity [(p = 0.2816; I° = 21.4607%)]. CONCLUSION This meta-analysis demonstrates that US appears to be a highly sensitive diagnostic technique for diagnosing tears of the ATFL. Compared to MRI, the sensitivity of US result was higher.
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Affiliation(s)
- Gabriele Colò
- Orthopedic Section, National Hospital of SS. Antonio and Biagio and C. Arrigo, 15121 Alessandria, Italy
| | - Bianca Bignotti
- Department of Radiology, IRCCS-Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Giacomo Costa
- Radiology Section, Department of Health Sciences (DISSAL), University of Genova, 16126 Genova, Italy
| | - Alessio Signori
- Biostatistics Section, Department of Health Sciences (DISSAL), University of Genova, 16126 Genova, Italy
| | - Alberto Stefano Tagliafico
- Department of Radiology, IRCCS-Ospedale Policlinico San Martino, 16132 Genova, Italy
- Radiology Section, Department of Health Sciences (DISSAL), University of Genova, 16126 Genova, Italy
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Colò G, Fusini F, Zoccola K, Samaila EM, Magnan B. The influence of first ray instability and hindfoot valgus in the development of hallux rigidus: state of art. Acta Biomed 2023; 94:e2023116. [PMID: 37366193 DOI: 10.23750/abm.v94is2.13635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 03/13/2023] [Indexed: 06/28/2023]
Abstract
Hallux rigidus (HR) is a painful condition associated with degenerative arthritis of the first metatarsophalangeal (MTP1) joint, leading to a progressive loss of dorsiflexion. The etiological factors leading to the development of the condition are not yet fully understood in the literature. When the hindfoot is aligned in excessive valgus, the medial border of the foot tends to roll over, which brings to increased stress on the medial side of the MTP1 joint, and consequently on the first ray (FR), thus potentially influencing the development of HR deformity. This state of art aims to analyze the influence of FR instability and hindfoot valgus in HR development. From the results of the analyzed studies, it appears that a FR instability may predispose the big toe to increased stress and to narrow the proximal phalanx motion on the first metatarsal, which brings to compression and ultimately degeneration of the MTP1 joint, mostly in advanced stages of disease, less in mild or moderate HR patients. A strong correlation between a pronated foot and MTP1 joint pain was found; forefoot hypermobility during the propulsion phase may promote MTP1 joint instability and increase pain. Thus, the increased moment of pronation of the foot with the overload of the medial column, when present, should be corrected conservatively or surgically; this, most likely, would be useful not only to eliminate or at least limit the painful symptoms but above all to prevent the worsening of the condition, also after the surgical treatment of HR.
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Affiliation(s)
- Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Alessandria, Italy.
| | - Federico Fusini
- Department of Orthopaedics and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Via S. Rocchetto, 99, 12084 Mondovì (CN), Italy..
| | - Kristijan Zoccola
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy..
| | - Elena Manuela Samaila
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani 1, 37126, Verona (VR), Italy..
| | - Bruno Magnan
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani 1, 37126, Verona (VR), Italy..
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Colò G, Fusini F, Alessio-Mazzola M, Samaila EM, Formica M, Magnan B. Interposition arthroplasty with bovine collagenous membrane for hallux rigidus: A long-term results retrospective study. Foot Ankle Surg 2022; 28:1473-1478. [PMID: 36117005 DOI: 10.1016/j.fas.2022.08.013] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/27/2022] [Accepted: 08/31/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND Hallux rigidus (HR) is a degenerative arthritis of the first metatarsophalangeal joint (MTP1) with progressive loss of range of movement (ROM). Interposition arthroplasty (IA) is a technique widely used for the treatment of HR;however, few studies reported long-term clinical results. This study aims to report the clinical results of IA using a bovine pericardium collagen matrix for HR with a minimum 10-years follow-up. METHODS Thirty patients (31 feet) who underwent IA using a bovine pericardium collagen matrix from 2001 to 2009 were retrospectively evaluated with a mean follow up of 154.1 ± 28.6 (range 124-218) months. All HR ranged from grade II to grade III, according to Regnauld classification. All patients were clinically assessed with the American Orthopedic Foot and Ankle Society Hallux Metatarsophalangeal- Interphalangeal Scale, a pain Visual Analog Scale, and the Foot and Ankle Disability Index. Scores before and after treatment, respectively achieved from clinical records and clinical evaluation at final follow-up were compared. RESULTS At final follow-up, an improvement of all the considered scores (p < 0.01) was recorded. The overall rate of unsatisfying results was 16.1 %. Two (6.4 %) patients complained discomfort due to first ray shortening and 3 (9.7 %) cases of persistent metatarsal pain. There was one (3.2 %) case of Complex Regional Pain Syndrome (CPRS). No revision surgeries, infection, or other adverse events were reported. CONCLUSION Interposition arthroplasty using bovine collagenous membrane is a reliable solution for high-grade HR with durable results over 10 years in more than 80 % of patients.
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Affiliation(s)
- Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy.
| | - Federico Fusini
- Department of Orthopaedics and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Via S. Rocchetto, 99, 12084 Mondovì, CN, Italy.
| | - Mattia Alessio-Mazzola
- IRCCS San Raffaele Hospital Orthopaedic and Trauma Unit Via Olgettina 60, 20132, Milan, Italy..
| | - Elena Manuela Samaila
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani, 1, 37126 Verona, VR, Italy.
| | - Matteo Formica
- Orthopaedic Clinic, Department of Surgical Sciences (DISC), University of Genoa, Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genoa, Italy.
| | - Bruno Magnan
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani, 1, 37126 Verona, VR, Italy.
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Fusini F, Girardo M, Aprato A, Massè A, Lorenzi A, Messina D, Colò G. Percutaneous Cement Discoplasty in Degenerative Spinal Disease: Systematic Review of Indications, Clinical Outcomes, and Complications. World Neurosurg 2022; 168:219-226. [DOI: 10.1016/j.wneu.2022.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 10/02/2022] [Accepted: 10/03/2022] [Indexed: 11/08/2022]
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De Franco C, Colò G, Melato M, Battini A, Cambursano S, Logrieco GP, Balato G, Zoccola K. Fracture-Related Infection in Bicolumnar Acetabular Fracture: A Case Report. Diagnostics (Basel) 2022; 12:diagnostics12102476. [PMID: 36292165 PMCID: PMC9601166 DOI: 10.3390/diagnostics12102476] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/28/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022] Open
Abstract
Case: A 51-year-old man was affected by a fracture-related infection after a bicolumnar acetabular fracture. A significant alteration of the anatomy was present; thus, a 3D-printed model was useful for planning. A two-stage treatment was planned: in the first stage, implant removal with irrigation and debridement was performed, while in the second stage, a new osteosynthesis and implant of a THA were planned. During the second stage, the patient suffered a cardiogenic shock, so a third surgical procedure was necessary to implant THA. Targeted antibiotic therapy was administered eight weeks after the first stage, with the resolution of the infection. Conclusions: The infection was resolved following the recent guidelines and treating it like a periprosthetic infection with a two-stage revision. A collaboration between specialists in orthopaedics and infectious disease, respectively, and using multidisciplinary approach, were mandatory.
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Affiliation(s)
- Cristiano De Franco
- Orthopaedics and Traumatology Unit, SS Antonio and Biagio and Cesare Arrigo Hospital, 15121 Alessandria, Italy
- Correspondence: ; Tel.:+39-3349133871
| | - Gabriele Colò
- Orthopaedics and Traumatology Unit, SS Antonio and Biagio and Cesare Arrigo Hospital, 15121 Alessandria, Italy
| | - Marco Melato
- Orthopaedics and Traumatology Unit, SS Antonio and Biagio and Cesare Arrigo Hospital, 15121 Alessandria, Italy
| | - Alberto Battini
- Orthopaedics and Traumatology Unit, SS Antonio and Biagio and Cesare Arrigo Hospital, 15121 Alessandria, Italy
| | - Simone Cambursano
- Orthopaedics and Traumatology Unit, SS Antonio and Biagio and Cesare Arrigo Hospital, 15121 Alessandria, Italy
| | - Giuseppe Pietro Logrieco
- Orthopaedics and Traumatology Unit, SS Antonio and Biagio and Cesare Arrigo Hospital, 15121 Alessandria, Italy
| | - Giovani Balato
- Orthopaedic Unit, Department of Public Health, Federico II University, 80138 Naples, Italy
| | - Kristijan Zoccola
- Orthopaedics and Traumatology Unit, SS Antonio and Biagio and Cesare Arrigo Hospital, 15121 Alessandria, Italy
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Piscopo A, Pola E, Fusini F, Cipolloni V, Piscopo D, Colò G, Zanchini F. Revision arthroplasty with megaprosthesis after Girdlestone procedure for periprosthetic joint infection as an option in massive acetabular and femoral bone defects. Acta Biomed 2022; 92:e2021531. [PMID: 35604274 PMCID: PMC9437688 DOI: 10.23750/abm.v92is3.12160] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 11/19/2021] [Indexed: 11/30/2022]
Abstract
Background and aim: To evaluate the clinical outcomes of patients treated with Girdlestone procedure (GP) or excision arthroplasty (EA) for periprosthetic infection with massive bone defects and undergoing revision arthroplasty. Methods: All patients treated with EA or GP for hip periprosthetic infection between 2014 and 2017 and sustaining revision arthroplasty (RA) were included in the study. Patients with less than 24 months of follow-up or less than 12 months between GP or EA and RA were excluded. Any sign of implant mobilization or periprosthetic fracture was assessed through X-ray. Patients were evaluated with D’aubigne-Postel hip score before RA and at the last follow-up. Mann-Whitney U test was used to assess differences between pre-RA surgery and last follow-up. P value was set as <0.05. Results: Twelve patients meet the inclusion criteria (mean follow-up 58+/-9.72 months). No radiographic sign of implant mobilization or periprosthetic fracture was reported. A significant difference was found for each parameter of the D’Aubigne-Postel score (p < 0.0001); none of the patients reached more than fair results in the absolute hip score. The difference between pre and post-operative global status showed a fair improvement. A significant difference was found for leg length discrepancy between pre and post RA (p<0.0001). Conclusions: Conversion from EA or GP to RA in patients suffering from massive acetabular and femur defects is challenging; conversion procedure is able to reduce patients’ disability and to improve walking ability. (www.actabiomedica.it)
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Affiliation(s)
| | - Enrico Pola
- Clinical Orthopaedics, University of Campania "Luigi Vanvitelli", via L. de Crecchio 4, Naples, Italy.
| | - Federico Fusini
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Center, University of Turin, via Zuretti 29, 10121, Turin.
| | - Valerio Cipolloni
- Spine Division, Department of Orthopaedics and Traumatology, A. Gemelli University Hospital, Catholic University of Rome, Italy.
| | - Davide Piscopo
- Clinical Orthopaedics, University of Campania "Luigi Vanvitelli", via L. de Crecchio 4, Naples, Italy.
| | - Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, AA Antonio e Biagio e Cesare Arrigo, Alessandria, Italy..
| | - Fabio Zanchini
- Clinical Orthopaedics, University of Campania "Luigi Vanvitelli", via L. de Crecchio 4, Naples, Italy.
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Fusini F, Colò G, Massè A, Girardo M. Uncommon cervical pain due by Bacillus pumilus spondylodiscitis in an immunocompetent patient: a case report. Acta Biomed 2021; 92:e2021136. [PMID: 34747374 PMCID: PMC10523035 DOI: 10.23750/abm.v92is1.10189] [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] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 07/20/2020] [Indexed: 11/23/2022]
Abstract
A fifty-three year-old military patient, presented with a 3 months neck pain and paraesthesia of upper right extremity after gastroscopy. Radiological examination demonstrated anuncertain degenerative/infective involvement of C6-C7 intervertebral disc. The patient underwent anterior debridement with C5-C6 disc excisional biopsy, with microbiological findings of Bacillus pumilus with high bacterial concentration. After biopsy, segment arthrodesis was achieved only with vertebral plate cruentation and 3 months of cervical collar. He completed a six-weeks course of intravenous antibiotics for the treatment of atypical spondylodiscitis. At one year of follow-up, he had no residual neck pain or neurological signs or symptoms.
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Affiliation(s)
- Federico Fusini
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Center, University of Turin, via Zuretti 29, 10121, Turin.
| | - Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, via Venezia 16, 16121 Alessandria, Italy..
| | - Alessandro Massè
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, via Zuretti 29, 10121, Turin, Italy..
| | - Massimo Girardo
- Spine Surgery Unit, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, via Zuretti 29, 10121, Turin, Italy..
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Fusini F, Massè A, Risitano S, Ferrera A, Enrietti E, Zoccola K, Bianco G, Zanchini F, Colò G. Should we operate on all patients with COVID-19 and proximal femoral fractures? An analysis of thirty, sixty, and ninety day mortality rates based on patients' clinical presentation and comorbidity: a multicentric study in Northern Italy. Int Orthop 2021. [PMID: 34401931 DOI: 10.1007/s00264-021-05166-3/tables/3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
PURPOSE This study aims to evaluate 30-60-90-day mortality of operated proximal femur fractures (PFFs) suffering from COVID-19 and correlation with patients' clinical presentation and comorbidities. METHODS Between February 1, 2020, and December 31, 2020, patients with COVID-19 infection and surgically treated PFF were included. Patients' demographic characteristics, oxygen (O2) therapy, comorbidities, and AO type fracture were collected. Chi-square test or Fisher test and hazard ratio were used to assessing the correlation between mortality rate, patient characteristics, and COVID-19 status. Kaplan-Meyer curve was used to analyze 30-60-90-day mortality. Level of significance was set as p < 0.05. RESULTS Fifty-six patients (mean age of 82.7 ± 8.85 years) were included. Thirty-day mortality rate was 5%, which increased to 21% at 60 days and 90 days. Eleven patients died, eight due to AO type A-like and three due to AO type B-like fractures. No significant difference in mortality rate between patients with cardiopulmonary comorbidity or no cardiopulmonary comorbidity was found (p = 0.67); a significant difference in patients with chronic obstructive pulmonary disease (COPD) or history of pulmonary embolism (PE) and patients without COPD was found (p = 0.0021). A significant difference between asymptomatic/mild symptomatic COVID-19 status and symptomatic COVID-19 status was found (p = 0.0415); a significant difference was found for O2 therapy with < 4 L/min and O2 therapy ≥ 4 L/min (p = 0.0049). CONCLUSION Thirty-day mortality rate of COVID-19 infection and PFFs does not differ from mortality rate of non-COVID-19 PFFs. However, patients with pre-existing comorbidities and symptomatic COVID-19 infection requiring a high volume of O2 therapy have a higher incidence of 60-90-day mortality when surgically treated.
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Affiliation(s)
- Federico Fusini
- Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Strada S Rocchetto 99, 12084, Mondovì, Italy.
| | - Alessandro Massè
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città Della Salute E Della Scienza Di Torino, via Zuretti 29, 10126, Turin, Italy
| | - Salvatore Risitano
- Department of Orthopaedic and Traumatology, Maggiore Hospital of Chieri, ASL TO5, via De Maria 1, 10023, Chieri, Italy
| | - Andrea Ferrera
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città Della Salute E Della Scienza Di Torino, via Zuretti 29, 10126, Turin, Italy
| | - Emilio Enrietti
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città Della Salute E Della Scienza Di Torino, via Zuretti 29, 10126, Turin, Italy
| | - Kristijan Zoccola
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy
| | - Giuseppe Bianco
- Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Strada S Rocchetto 99, 12084, Mondovì, Italy
| | - Fabio Zanchini
- Clinical Orthopaedics, University of Campania "Luigi Vanvitelli", via L. de Crecchio 4, 80138, Naples, Italy
| | - Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy
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Fusini F, Massè A, Risitano S, Ferrera A, Enrietti E, Zoccola K, Bianco G, Zanchini F, Colò G. Should we operate on all patients with COVID-19 and proximal femoral fractures? An analysis of thirty, sixty, and ninety day mortality rates based on patients' clinical presentation and comorbidity: a multicentric study in Northern Italy. Int Orthop 2021; 45:2499-2505. [PMID: 34401931 PMCID: PMC8366488 DOI: 10.1007/s00264-021-05166-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 07/17/2021] [Indexed: 11/26/2022]
Abstract
Purpose This study aims to evaluate 30–60–90-day mortality of operated proximal femur fractures (PFFs) suffering from COVID-19 and correlation with patients’ clinical presentation and comorbidities. Methods Between February 1, 2020, and December 31, 2020, patients with COVID-19 infection and surgically treated PFF were included. Patients’ demographic characteristics, oxygen (O2) therapy, comorbidities, and AO type fracture were collected. Chi-square test or Fisher test and hazard ratio were used to assessing the correlation between mortality rate, patient characteristics, and COVID-19 status. Kaplan-Meyer curve was used to analyze 30–60–90-day mortality. Level of significance was set as p < 0.05. Results Fifty-six patients (mean age of 82.7 ± 8.85 years) were included. Thirty-day mortality rate was 5%, which increased to 21% at 60 days and 90 days. Eleven patients died, eight due to AO type A-like and three due to AO type B-like fractures. No significant difference in mortality rate between patients with cardiopulmonary comorbidity or no cardiopulmonary comorbidity was found (p = 0.67); a significant difference in patients with chronic obstructive pulmonary disease (COPD) or history of pulmonary embolism (PE) and patients without COPD was found (p = 0.0021). A significant difference between asymptomatic/mild symptomatic COVID-19 status and symptomatic COVID-19 status was found (p = 0.0415); a significant difference was found for O2 therapy with < 4 L/min and O2 therapy ≥ 4 L/min (p = 0.0049). Conclusion Thirty-day mortality rate of COVID-19 infection and PFFs does not differ from mortality rate of non-COVID-19 PFFs. However, patients with pre-existing comorbidities and symptomatic COVID-19 infection requiring a high volume of O2 therapy have a higher incidence of 60–90-day mortality when surgically treated.
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Affiliation(s)
- Federico Fusini
- Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Strada S Rocchetto 99, 12084, Mondovì, Italy.
| | - Alessandro Massè
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città Della Salute E Della Scienza Di Torino, via Zuretti 29, 10126, Turin, Italy
| | - Salvatore Risitano
- Department of Orthopaedic and Traumatology, Maggiore Hospital of Chieri, ASL TO5, via De Maria 1, 10023, Chieri, Italy
| | - Andrea Ferrera
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città Della Salute E Della Scienza Di Torino, via Zuretti 29, 10126, Turin, Italy
| | - Emilio Enrietti
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città Della Salute E Della Scienza Di Torino, via Zuretti 29, 10126, Turin, Italy
| | - Kristijan Zoccola
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy
| | - Giuseppe Bianco
- Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Strada S Rocchetto 99, 12084, Mondovì, Italy
| | - Fabio Zanchini
- Clinical Orthopaedics, University of Campania "Luigi Vanvitelli", via L. de Crecchio 4, 80138, Naples, Italy
| | - Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy
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Colò G, Fusini F, Zoccola K, Rava A, Samaila EM, Magnan B. May footwear be a predisposing factor for the development of hallux rigidus? A review of recent findings. Acta Biomed 2021; 92:e2021010. [PMID: 34313670 PMCID: PMC8420823 DOI: 10.23750/abm.v92is3.11681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 05/24/2021] [Indexed: 11/23/2022]
Abstract
Hallux rigidus (HR) is the clinical manifestation of osteoarthritis of the first metatarsophalangeal (MTP1) joint and affects about 2.5% of people older than 50 years. The condition may significantly impact patients’ quality of life, leading to debilitating pain and limited range of motion (ROM). Numerous hypotheses have been postulated about contributing factors to the development of the disease, but with poor proven association. Some types of footwear over others may transmit altered pressure and stress toward the forefoot and this can significantly contribute to development of the condition. The purpose of this review is therefore to analyze the importance of correct footwear and if an incorrect shoe can influence the development and/or worsening of symptoms in patients affected by HR. From the results of the studies, it appears that symptoms improve with rigid-soled low-heeled shoes such as boots and worsen with flat flexible-soled shoes such as sandals and tennis shoes, which should therefore be avoided. Despite this, although incorrect footwear increases symptoms, a direct correlation with the development of the condition has not been detected but rather an improvement in comfort in some types of shoes than in others. In predisposed patients, incorrect footwear is more a way to increase symptoms than a real risk factor for the development of the disease, remaining in a very low risk percentage to be considered indicative. (www.actabiomedica.it)
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Affiliation(s)
- Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Alessandria, Italy.
| | - Federico Fusini
- Department of Orthopaedics and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Via S. Rocchetto, 99, 12084 Mondovì (CN), Italy..
| | - Kristijan Zoccola
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy..
| | - Alessandro Rava
- Department of Orthopaedics and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, via Zuretti 29, 10121, Turin, Italy..
| | - Elena Manuela Samaila
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani 1, 37126, Verona (VR), Italy..
| | - Bruno Magnan
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani 1, 37126, Verona (VR), Italy..
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Fusini F, Alessandro M, Rava A, Kristijan Z, Felli L, Colò G. Aetiology, diagnosis, and treatment of brachymetatarsia: a narrative review. Musculoskelet Surg 2021; 106:99-109. [PMID: 34268706 DOI: 10.1007/s12306-021-00720-z] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 06/27/2021] [Indexed: 11/28/2022]
Abstract
Brachymetatarsia (BM), or hypoplastic metatarsal, is an abnormal shortening of one or more metatarsal bones with a female-to-male ratio of 10.53:1. Different causes are described in the literature, such as congenital, acquired, or iatrogenic, associated with different conditions and syndromes. Its presence may develop deformity and pain; however, often feet are pain free and the major worries of patients are cosmetics. Non-operative treatments aim to improve the comfort of metatarsal heads and the possible dorsal conflict through comfortable shoes or the use of specific orthotics. The surgical treatment is anything but straightforward, with "one-stage" or "two stage" techniques, the latter better called "by gradual distraction". One-stage procedures are more rapid techniques but have limited ability to restore the desired length due to neurovascular compromise caused by acute lengthening. Insufficient correction is also possible. On the contrary, by gradual distraction procedures allow gradual distraction lengthening of more than 1.5 cm, but require the use of an external fixator, with a higher risk of complications in more than about 50% of surgeries. The adjacent metatarsal shortening should be considered in combination with other techniques, to diminish the excessive lengthening. In each case, surgeries should be always decided on each patient's concerns, deformities, and clinical needs.
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Affiliation(s)
- F Fusini
- Department of Orthopaedics and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Via S. Rocchetto, 99, 12084, Mondovì, CN, Italy
| | - M Alessandro
- Department of Orthopaedics and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, Via Zuretti 29, 10121, Turin, Italy
| | - A Rava
- Department of Orthopaedics and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, Via Zuretti 29, 10121, Turin, Italy
| | - Z Kristijan
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy
| | - L Felli
- Orthopaedic Clinic, Department of Surgical Sciences (DISC), University of Genoa, Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genoa, Italy
| | - G Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy.
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Samaila E, Colò G, Rava A, Negri S, Valentini R, Felli L, Magnan B. Effectiveness of corticosteroid injections in Civinini-Morton's Syndrome: A systematic review. Foot Ankle Surg 2021; 27:357-365. [PMID: 32600970 DOI: 10.1016/j.fas.2020.05.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 04/07/2020] [Accepted: 05/04/2020] [Indexed: 02/04/2023]
Abstract
BACKGROUND The aim of this paper is to analyze the effectiveness of corticosteroid injections (CI), in combination with or without a local anaesthetic, for Civinini-Morton's Syndrome to determine which protocol could be the most appropriate among conservative treatments. METHODS All selected articles were screened using a thorough database search of PubMed, EMBASE and SCOPUS to assess their suitability to the research focus. RESULTS Selection produced 10 articles as full-text, for a total of 590 patients, with a mean follow-up of 14 ± 14.2 (range 3-48) months. Johnson satisfaction scale, resulting from 6 studies, scored 25.6% (range 5-38) and 39.4% (range 15-51.8), respectively completely satisfied and satisfied with minor reservations. Mean VAS, declared in 5 studies, decreased from 70.7 ± 16.5 (range 67-89) to 33.4 ± 7.6 (26-42.5) points (p < 0.01). Most common complication was skin depigmentation in 7 (2.6%) cases. CONCLUSIONS CI appear to be a safe treatment allowing good results with a very low complications rate. A neuroma of 6.3 mm seems to be the cut-off size; below which CI could have best indications and be considered as an intermediate treatment between shoe modifications and more invasive procedures such as percutaneous alcoholization or surgery. LEVEL OF EVIDENCE Level II, systematic review.
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Affiliation(s)
- Elena Samaila
- Department of Orthopedics and Trauma Surgery, University of Verona, Italy
| | | | - Alessandro Rava
- Department of Orthopaedic and Traumatology, University of Turin, Italy
| | - Stefano Negri
- Department of Orthopedics and Trauma Surgery, University of Verona, Italy
| | - Roberto Valentini
- Department of Orthopedics and Trauma Surgery, University of Verona, Italy
| | | | - Bruno Magnan
- Department of Orthopedics and Trauma Surgery, University of Verona, Italy.
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Fusini F, Colò G, Risitano S, Massè A, Rossi L, Coniglio A, Girardo M. Back to the future in traumatic fracture shapes of lumbar spine: An analysis of risk of kyphosis after conservative treatment. J Craniovertebr Junction Spine 2021; 12:38-43. [PMID: 33850380 PMCID: PMC8035588 DOI: 10.4103/jcvjs.jcvjs_189_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 11/13/2020] [Indexed: 01/20/2023] Open
Abstract
Introduction: Nonosteoporotic burst vertebral fracture could commonly be treated with conservative or surgical approach. Currently, decision-making process is based on thoracolumbar (TL) AO spine severity injury score. However, some factors could affect posttraumatic kyphosis (PTK) and could be taken into account. The aim of the present study is to identify if axial and sagittal fracture shape and initial kyphosis are the risk factors for PTK. Materials and Methods: All consecutive patients treated between 2016 and 2017 for TL vertebral fracture with conservative treatment were retrospectively evaluated in the study. Only type A3 and A4 vertebral fractures were included in the study. Patients suffering from osteoporosis or other metabolic bone disease, aged above 60 years old were excluded from the study. Initial and 6 months X-ray from injury were analyze to evaluate local kyphosis and region of injury while initial assessment was performed with computed tomography to better identify fracture type and in some cases magnetic resonance imaging to exclude posterior ligament complex injury. Axial and sagittal view of the vertebral plate was analyzed and classified in three shapes according to fragment comminution and dislocation. Statistical analysis was performed trough STATA13 software. Student's t-test was used to evaluate the differences between initial and follow up kyphosis; odds ratio (OR) was used to evaluate the role of initial kyphosis, vertebral sagittal and axial fracture shape as a risk factor for PTK. Kruskal–Wallis test was used to assess the differences among vertebral shape fractures and final kyphosis. Fisher's exact test was used to assess the differences between fracture patterns and final kyphosis. Results: An initial kyphosis >10° (OR 36.75 P = 0.015), shape c vertebral plate (OR 147 P = 0.0015), and sagittal shape 3 (OR 32.25 P = 0.0025) are strongly related with PTK. Kruskal–Wallis test revealed a statistically significant difference among axial fracture shape (P < 0.0001) and sagittal fracture shape (P = 0.004) and also for initial kyphosis >10° (P < 0.0001). Fisher's exact test showed a significant difference for final kyphosis among pattern c3 and other patterns of fracture (P = 0.0001). Conclusions: A burst type lumbar vertebral fracture affecting a patient with initial local kyphosis >10° and comminution and displacement of vertebral plate and vertebral body is at high risk to develop a local kyphosis >20° in the follow-up if treated conservatively.
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Affiliation(s)
- Federico Fusini
- Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, Cuneo, Italy
| | - Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, Alessandria, Italy
| | - Salvatore Risitano
- Department of Orthopaedic and Traumatology, Maggiore Hospital of Chieri, Turin, Italy
| | - Alessandro Massè
- Department of Orthopaedic and Traumatology, Orthopaedic and Traumatology Hospital, AOU Città della Salute e della Scienza di Torino, Torino, Italy
| | - Laura Rossi
- Division of Orthopedic Oncologic Surgery, Orthopaedic and Traumatology Center, AOU Città della Salute e della Scienza di Torino, Turin, Italy
| | - Angela Coniglio
- Department of Orthopaedic and Traumatology, Spine Surgery Unit, Orthopaedic and Traumatology Hospital, AOU Città della Salute e della Scienza di Torino, Torino, Italy
| | - Massimo Girardo
- Department of Orthopaedic and Traumatology, Spine Surgery Unit, Orthopaedic and Traumatology Hospital, AOU Città della Salute e della Scienza di Torino, Torino, Italy
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Coniglio A, Rava A, Fusini F, Colò G, Massè A, Girardo M. Effectiveness and reliability of cannulated fenestrated screws augmented with polymethylmethacrylate cement in the surgical treatment of osteoporotic vertebral fractures. J Craniovertebr Junction Spine 2021; 12:33-37. [PMID: 33850379 PMCID: PMC8035586 DOI: 10.4103/jcvjs.jcvjs_188_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 11/04/2020] [Indexed: 12/11/2022] Open
Abstract
Background Implants' stability, especially in osteoporosis patients, is a challenging matter. Nowadays, the adoption of cannulated fenestrated screws augmented with polymethylmethacrylate cement (PMMA CSF) is described by some authors. This single-center, retrospective observational study aims to evaluate the long-term effectiveness, reliability, and mechanical performances of this type of screws in osteoporotic fractures. Materials and Methods All the patients surgically treated from January 2009 to December 2019 with PMMA CSF were evaluated and submitted to the inclusion and exclusion criteria. Clinical and radiological evaluations were performed at pre- and post-surgery time and at the follow-up (FU). Loss of correction in the sagittal plane (bisegmental Cobb angle), kyphosis angle of the fracture (fractured vertebral angle), loosening of pedicle screws (screw's apex vertebral body's anterior cortex mean gap called SAAC gap and screw's apex vertebral body's superior endplate mean gap called SASE gap), visual analog scale, and Oswestry disability index scores were evaluated. Results One hundred and sixty-three patients (58 males and 105 females) aged over 65 years affected by vertebral osteoporotic fractures were included in the study. At FU, we do not found significant differences in radiological items in respect to the postoperative period. Only one case of loosening and 18 cases of cement leaking (without neurological impairments) were found. Clinical scores improvement was significant in the interval between preoperative and FU. Conclusions PMMA CSF seems to can guarantee good efficacy and effectiveness in the surgical treatment of vertebral fractures in osteoporosis.
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Affiliation(s)
- Angela Coniglio
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Spine Surgery Unit, Città della Salute e della Scienza di Torino, Turin, Italy
| | - Alessandro Rava
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Federico Fusini
- Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, Mondovì, Italy
| | - Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, Alessandria, Italy
| | - Alessandro Massè
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Massimo Girardo
- Department of Orthopaedic and Traumatology, Orthopaedic and Trauma Centre, Spine Surgery Unit, Città della Salute e della Scienza di Torino, Turin, Italy
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Colò G, Fusini F, Samaila EM, Rava A, Felli L, Alessio-Mazzola M, Magnan B. The efficacy of shoe modifications and foot orthoses in treating patients with hallux rigidus: a comprehensive review of literature. Acta Biomed 2020; 91:e2020016. [PMID: 33559617 PMCID: PMC7944704 DOI: 10.23750/abm.v91i14-s.10969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 11/17/2020] [Indexed: 02/08/2023]
Abstract
Hallux rigidus (HR) is a degenerative disease of the first metatarsophalangeal (MTP1) joint and affects about 2.5% of people older than 50 years. The real etiology of this condition remains under debate. Clinical symptoms, physical exam, and instrumental evidence are important in assessing and grading the disease. The anatomy of the first metatarsal is unique and its configuration may play a significant role in the HR development. The first approach in the early stages of the disease usually begins with shoe modifications and foot orthoses, designed to limit irritation from the dorsal osteophytes, reducing motion and the mechanical stresses on the joint. To prevent or delay the development of HR, shoes should be sufficiently long, comfortable, with high toe box and broad toe-boxed, and should bear an allowed space for the orthotic device. The ideal orthotic appears to require a 3-mm thickness with a correct stiffness, and also increasing and extending the medial metatarsal arch just proximal to the metatarsal head, raising the first metatarsal and allowing the proximal phalanx to rest in a more plantarflexed position, decompressing the dorsal aspect of the joint. The increased foot pronation moment with medial column overload, when present, should be corrected. In addition, the maximum follow-up found by the analyzed studies was of 14.4 years, so the Authors cannot conclude how long conservative care can keep a patient free from pain and able to perform normal daily activities. However, the use of shoe modifications and foot orthoses may be considered a safe treatment and then should be always offered to patients, before any surgical management. (www.actabiomedica.it)
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Affiliation(s)
- Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy.
| | - Federico Fusini
- Department of Orthopaedics and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Via S. Rocchetto, 99, 12084 Mondovì (CN), Italy.
| | - Elena Manuela Samaila
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani 1, 37126, Verona (VR), Italy.
| | - Alessandro Rava
- Department of Orthopaedics and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, via Zuretti 29, 10121, Turin, Italy.
| | - Lamberto Felli
- Orthopaedic Clinic, Department of Surgical Sciences (DISC), University of Genoa, Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genoa, Italy.
| | - Mattia Alessio-Mazzola
- Orthopaedic Clinic, Department of Surgical Sciences (DISC), University of Genoa, Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genoa, Italy.
| | - Bruno Magnan
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani 1, 37126, Verona (VR), Italy.
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Colò G, Samaila EM, Magnan B, Felli L. Valenti resection arthroplasty for hallux rigidus: A systematic review. Foot Ankle Surg 2020; 26:838-844. [PMID: 31839478 DOI: 10.1016/j.fas.2019.11.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 11/12/2019] [Accepted: 11/26/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND Valente Valenti proposed in 1976 a "V" resection of the first metatarsophalangeal joint (MPT1) on the sagittal plane for advanced stages of hallux limitus/rigidus, preserving length of the first ray, flexor hallux brevis and sesamoid function. The available literature concerning correct indications, management and clinical outcomes of the Valenti procedure (VP) and its modifications in patients affected by hallux limitus/rigidus was systematically analyzed. METHODS Titles and abstracts of all selected articles were independently screened by two authors to assess their suitability to the research focus. RESULTS Selection produced 8 articles as full-text, for a total of 347 patients, with a mean follow-up of 6±7.1 (range 0.2-17.5) years. Most common complication was transient sesamoiditis in 21 (7.4%) patients. No substantial differences in clinical outcomes were found between the original and modified techniques. CONCLUSIONS VP appears to allow an early recovery with few complications, if compared to fusion, interposition arthroplasties or osteotomies. The wide joint resection does not prevent, if necessary, further procedures such as fusion or implants. LEVEL OF EVIDENCE Level I, systematic review.
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Affiliation(s)
- Gabriele Colò
- Clinica Ortopedica - IRCCS Ospedale Policlinico San Martino, Università di Genova, Largo Rosanna Benzi, 10, 16132, Genoa, GE, Italy
| | | | - Bruno Magnan
- Department of Orthopedics and Trauma Surgery, University of Verona, Italy.
| | - Lamberto Felli
- Clinica Ortopedica - IRCCS Ospedale Policlinico San Martino, Università di Genova, Largo Rosanna Benzi, 10, 16132, Genoa, GE, Italy
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22
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Colò G, Rava A, Samaila EM, Palazzolo A, Talesa G, Schiraldi M, Magnan B, Ferracini R, Felli L. The effectiveness of shoe modifications and orthotics in the conservative treatment of Civinini-Morton syndrome: state of art. Acta Biomed 2020; 91:60-68. [PMID: 32555077 PMCID: PMC7944831 DOI: 10.23750/abm.v91i4-s.9713] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 05/05/2020] [Indexed: 01/01/2023]
Abstract
Civinini Morton’s Syndrome (CMS), better known as Morton’s Neuroma, is a benign enlargement that typically affects the third common digital branch of the plantar nerve. It is a common cause of metatarsalgia leading to debilitating pain. It prefers the female gender, with a female to male ratio of 5:1 and an average age of 50 years at time of surgery. Precise aetiology remains under debate, with four etiopathogenetic theories often cited in the literature. Clinical symptoms, physical exam and instrumental evidence are important in assessing and grading the disease. Biomechanics seem to play an important role, especially regarding the usefulness of correct footwear. The first approach in the early stages of this condition usually begins with shoe modifications and orthotics, designed to limit the nerve compression. In order to prevent or delay the development of CMS, shoes should be sufficiently long, comfortable, broad toe-boxed, should bear a flat heel and a sufficiently thick external sole which should not be excessively flexible. Most authors suggested that an insole with medial arch support and a retrocapital bar or pad, just proximal to the metatarsal heads, displaces the pressure sites and can be beneficial to relieve the pain from the pinched nerve. A threshold period of 4.5 months appears to emerge from the results of the analysed studies, indicating that, beyond this period and in neuromas larger than 5-6 mm, orthotics and/or shoes modifications do not seem to give convincing results, proving to be more a palliation for the clinical condition to allow an acceptable life with pain rather than a real treatment. (www.actabiomedica.it)
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Affiliation(s)
- Gabriele Colò
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy..
| | - Alessandro Rava
- Department of Orthopaedics and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, via Zuretti 29, 10121, Turin, Italy.
| | - Elena Manuela Samaila
- Department of Orthopedics and Trauma Surgery, University of Verona, Surgical Center "P. Confortini", P.le A. Stefani 1, 37126, Verona (VR), Italy.
| | - Anna Palazzolo
- Department of Orthopaedics and Traumatology, Orthopaedic and Trauma Centre, Città della Salute e della Scienza di Torino, University of Turin, via Zuretti 29, 10121, Turin, Italy.
| | - Giuseppe Talesa
- Orthopaedic and Traumatologic Clinic, University of Perugia, Santa Maria della Misericordia Hospital, Piazzale Giorgio Menghini 1, 06129, Perugia, Italy.
| | - Marco Schiraldi
- Department of Orthopaedics and Traumatology, Regional Center for Joint Arthroplasty, ASO Alessandria, Via Venezia 16, 16121, Alessandria, Italy.
| | - Bruno Magnan
- Department of Orthopaedic and Truama Surgery, University of Verona, Italy.
| | - Riccardo Ferracini
- Orthopaedic Clinic, Department of Surgical Sciences (DISC), University of Genoa, Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genova, Italy.
| | - Lamberto Felli
- Orthopaedic Clinic, Department of Surgical Sciences (DISC), University of Genoa, Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, 16132, Genoa, Italy.
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Samaila EM, Bissoli A, Argentini E, Negri S, Colò G, Magnan B. Total ankle replacement in young patients. Acta Biomed 2020; 91:31-35. [PMID: 32555074 PMCID: PMC7944830 DOI: 10.23750/abm.v91i4-s.9725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/06/2020] [Indexed: 11/24/2022]
Abstract
High physical demand and younger age are currently considered contraindications for total ankle replacement. The number of Total Ankle Replacements (TAR) is widespread increasing and indications are expanding thanks to a steady improvement in prosthetic designs and better outcome.
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Affiliation(s)
| | - Andrea Bissoli
- Department of Orthopedics and Trauma Surgery, University of Verona.
| | | | - Stefano Negri
- Department of Orthopedics and Trauma Surgery, University of Verona.
| | - Gabriele Colò
- Department of Orthopedics and Traumatology, Regional Center for Joint Arthroplasty, Alessandria.
| | - Bruno Magnan
- Department of Orthopedics and Trauma Surgery, University of Verona.
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Samaila EM, Ditta A, Negri S, Leigheb M, Colò G, Magnan B. Central metatarsal fractures: a review and current concepts. Acta Biomed 2020; 91:36-46. [PMID: 32555075 PMCID: PMC7944817 DOI: 10.23750/abm.v91i4-s.9724] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/06/2020] [Indexed: 02/08/2023]
Abstract
Central metatarsal fractures (CMF) are common injuries. More frequently fractures are those of the fifth metatarsal, followed by CMF and therefore by the first metatarsal. Third metatarsal is injured most frequently than the others and up to 63% is associated with second or fourth metatarsal fractures and up to 28% with both. Anatomy and metatarsal kinematics merits attention due to its influence on function, injuries and treatment options. Diagnosis is based on the history of trauma and clinical examination, relating with instrumental exams. Fractures with less than 10° of angulation and 3-4 mm of translation in any plane are typically treated conservatively, while operative treatment is generally reserved for fractures out if these values. Intramedullary fixation with K-wires seem to be the most common and valid surgical treatment in simple fractures. Spiral fractures should be treated by interfragmentary screws, which positioning may result difficult due to the adjacent metatarsals. Therefore, an alternative approach is an osteosynthesis with a dorsal plate. Multiple metatarsal fractures often occur in the contiguous bones, so clinicians will also have to carefully inspect metatarsals and adjacent joints such as Lisfranc articulation. The clinical and functional outcomes are often influenced by the pattern of fractures and patient conditions and are reported in the literature up to 39% of poor results.
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Affiliation(s)
| | - Alessandro Ditta
- Department of Orthopedics and Trauma Surgery, University of Verona.
| | - Stefano Negri
- Department of Orthopedics and Trauma Surgery, University of Verona.
| | - Massimiliano Leigheb
- Orthopedics and Traumatology, A.O.U. "Maggiore d.c." University of Eastern Piedmont, Novara.
| | - Gabriele Colò
- Department of Orthopedics and Traumatology, Regional Center for Joint Arthroplasty, Alessandria.
| | - Bruno Magnan
- Department of Orthopedics and Trauma Surgery, University of Verona.
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Zanoli S, Roca-Maza X, Colò G, Shen S. Harmonic Potential Theorem: Extension to Spin-, Velocity-, and Density-Dependent Interactions. Phys Rev Lett 2019; 123:112501. [PMID: 31573255 DOI: 10.1103/physrevlett.123.112501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/18/2019] [Indexed: 06/10/2023]
Abstract
One of the few exact results for the description of the time evolution of an inhomogeneous, interacting many-particle system is given by the harmonic potential theorem (HPT). The relevance of this theorem is that it sets a tight constraint on time-dependent many-body approximations. In this contribution, we show that the original formulation of the HPT is valid also for the case of spin-, velocity-, and density-dependent interactions. This result is completely general and relevant, among the rest, for nuclear structure theory both in the case of ab initio and of more phenomenological approaches. As an example, we report on a numerical implementation by testing the small-amplitude limit of the time-dependent Hartree-Fock-also known as the random phase approximation-for the translational frequencies of a neutron system trapped in a harmonic potential.
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Affiliation(s)
- S Zanoli
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, 20133 Milano, Italy and INFN, Sezione di Milano, 20133 Milano, Italy
| | - X Roca-Maza
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, 20133 Milano, Italy and INFN, Sezione di Milano, 20133 Milano, Italy
| | - G Colò
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, 20133 Milano, Italy and INFN, Sezione di Milano, 20133 Milano, Italy
| | - Shihang Shen
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, 20133 Milano, Italy and INFN, Sezione di Milano, 20133 Milano, Italy
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26
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Colò G, Cavagnaro L, Alessio-Mazzola M, Zanirato A, Felli L, Formica M. Incidence, diagnosis and management of sacroiliitis after spinal surgery: a systematic review of the literature. Musculoskelet Surg 2019; 104:111-123. [PMID: 31065955 DOI: 10.1007/s12306-019-00607-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Accepted: 04/30/2019] [Indexed: 11/30/2022]
Abstract
The sacroiliac joint (SIJ) is a possible source of persistent or new onset pain after lumbar or lumbosacral fusion. The aim of this paper is to systematically review and analyze the available literature related to the incidence, diagnosis and management of sacroiliitis after spinal arthrodesis. The authors independently screened the titles and abstracts of all articles identified concerning sacroiliac joint pain after lumbar or lumbosacral fusion, to assess their suitability to the research focus. The average incidence of sacroiliitis after lumbar or lumbosacral arthrodesis was found to be 37 ± 28.48 (range 6-75), increasing directly to the number of fused segments involved, especially when the sacrum is included. The most accurate evaluation is the image-guided injection of anesthetic solutions in the joint. Surgery treatment may be considered when conservative therapy fails, with open surgery or with minimally invasive SIJ fusion. Although the risk of developing SIJ degeneration is unclear, the results indicate that pain and degeneration of SIJ develop more often in patients undergoing lumbosacral fusion regardless of the number of melting segments. The treatment of sacroiliitis appears to be independent of his etiology, with or without previous instrumentation on several levels.
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Affiliation(s)
- G Colò
- Clinica Ortopedica - IRCCS Ospedale Policlinico San Martino, Università di Genova, Largo Rosanna Benzi, 10, 16132, Genoa, GE, Italy.
| | - L Cavagnaro
- Ortopedia e Traumatologia 2 - Joint Replacement Unit - Ospedale Santa Corona, Viale 25 Aprile, 38, 17027, Pietra Ligure, SV, Italy
| | - M Alessio-Mazzola
- Clinica Ortopedica - IRCCS Ospedale Policlinico San Martino, Università di Genova, Largo Rosanna Benzi, 10, 16132, Genoa, GE, Italy
| | - A Zanirato
- Clinica Ortopedica - IRCCS Ospedale Policlinico San Martino, Università di Genova, Largo Rosanna Benzi, 10, 16132, Genoa, GE, Italy
| | - L Felli
- Clinica Ortopedica - IRCCS Ospedale Policlinico San Martino, Università di Genova, Largo Rosanna Benzi, 10, 16132, Genoa, GE, Italy
| | - M Formica
- Clinica Ortopedica - IRCCS Ospedale Policlinico San Martino, Università di Genova, Largo Rosanna Benzi, 10, 16132, Genoa, GE, Italy
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27
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Colò G, Alessio-Mazzola M, Dagnino G, Felli L. Long-Term Results of Surgical Treatment of Valenti Procedures for Hallux Rigidus: A Minimum Ten-Year Follow-Up Retrospective Study. J Foot Ankle Surg 2019; 58:291-294. [PMID: 30850097 DOI: 10.1053/j.jfas.2018.08.055] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Indexed: 02/03/2023]
Abstract
Few studies reporting long-term results of surgical treatment of hallux rigidus have been published. The aim of this study is to assess the clinical outcome of Valenti procedures in a series of patients with hallux limitus/rigidus with a minimum 10-year follow-up time. We retrospectively evaluated 38 patients (40 feet) who underwent a Valenti procedure with a mean follow-up of 132 ± 19.6 (range 114 to 184) months. All patients were clinically reassessed on the basis of the evaluation of pain (visual analogue scale), function (American Orthopaedic Foot and Ankle Society Hallux Metatarsophalangeal-Interphalangeal Scale Assessment and Foot & Ankle Disability Index), and subjective satisfaction. The scores before and after treatment, obtained from clinical recordings and clinical evaluation during the last follow-up visits, were compared. We found significant improvement of the mean values of the visual analogue score (p < .0001), Foot & Ankle Disability Index (p < .0001), and American Orthopaedic Foot and Ankle Society Hallux Metatarsophalangeal-Interphalangeal Scale Assessment (p < .0001) during the latest follow-up visits. The results suggest that the Valenti technique represents a safe, reproducible surgical procedure that allows satisfying long-term results. The few reported complications were essentially the progressive worsening of the joint stiffness, but no sesamoiditis, metatarsal overload, secondary surgeries, or failures were documented.
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Affiliation(s)
- Gabriele Colò
- Surgeon, Department of Surgical Sciences (DISC), Orthopaedic and Traumatologic Clinic, University of Genova, Genoa, Italy
| | - Mattia Alessio-Mazzola
- Surgeon, Department of Surgical Sciences (DISC), Orthopaedic and Traumatologic Clinic, University of Genova, Genoa, Italy.
| | - Giacomo Dagnino
- Surgeon, Department of Surgical Sciences (DISC), Orthopaedic and Traumatologic Clinic, University of Genova, Genoa, Italy
| | - Lamberto Felli
- Professor, Department of Surgical Sciences (DISC), Orthopaedic and Traumatologic Clinic, University of Genova, Genoa, Italy
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Rosiak D, Seidlitz M, Reiter P, Naïdja H, Tsunoda Y, Togashi T, Nowacki F, Otsuka T, Colò G, Arnswald K, Berry T, Blazhev A, Borge MJG, Cederkäll J, Cox DM, De Witte H, Gaffney LP, Henrich C, Hirsch R, Huyse M, Illana A, Johnston K, Kaya L, Kröll T, Benito MLL, Ojala J, Pakarinen J, Queiser M, Rainovski G, Rodriguez JA, Siebeck B, Siesling E, Snäll J, Van Duppen P, Vogt A, von Schmid M, Warr N, Wenander F, Zell KO. Enhanced Quadrupole and Octupole Strength in Doubly Magic ^{132}Sn. Phys Rev Lett 2018; 121:252501. [PMID: 30608829 DOI: 10.1103/physrevlett.121.252501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 09/14/2018] [Indexed: 06/09/2023]
Abstract
The first 2^{+} and 3^{-} states of the doubly magic nucleus ^{132}Sn are populated via safe Coulomb excitation employing the recently commissioned HIE-ISOLDE accelerator at CERN in conjunction with the highly efficient MINIBALL array. The ^{132}Sn ions are accelerated to an energy of 5.49 MeV/nucleon and impinged on a ^{206}Pb target. Deexciting γ rays from the low-lying excited states of the target and the projectile are recorded in coincidence with scattered particles. The reduced transition strengths are determined for the transitions 0_{g.s.}^{+}→2_{1}^{+}, 0_{g.s.}^{+}→3_{1}^{-}, and 2_{1}^{+}→3_{1}^{-} in ^{132}Sn. The results on these states provide crucial information on cross-shell configurations which are determined within large-scale shell-model and Monte Carlo shell-model calculations as well as from random-phase approximation and relativistic random-phase approximation. The locally enhanced B(E2;0_{g.s.}^{+}→2_{1}^{+}) strength is consistent with the microscopic description of the structure of the respective states within all theoretical approaches. The presented results of experiment and theory can be considered to be the first direct verification of the sphericity and double magicity of ^{132}Sn.
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Affiliation(s)
- D Rosiak
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - M Seidlitz
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - P Reiter
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - H Naïdja
- Université de Strasbourg, IPHC, 23 rue du Loess, F-67037 Strasbourg, France
- CNRS, UMR 7178, F-67037 Strasbourg, France
- Université Constantine 1, LPMS, route Ain El Bey, DZ-25000 Constantine, Algeria
| | - Y Tsunoda
- Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - T Togashi
- Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - F Nowacki
- Université de Strasbourg, IPHC, 23 rue du Loess, F-67037 Strasbourg, France
- CNRS, UMR 7178, F-67037 Strasbourg, France
| | - T Otsuka
- Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Department of Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - G Colò
- Dipartimento di Fisica, Universitò degli Studi di Milano, Via Celoria 16, I-20133 Milano, Italy
- INFN sezione di Milano, Via Celoria 16, I-20133, Milano, Italy
| | - K Arnswald
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - T Berry
- Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdom
| | - A Blazhev
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - M J G Borge
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - J Cederkäll
- Department of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden
| | - D M Cox
- University of Jyvaskyla, Department of Physics, P. O. Box 35, FI-40014 University of Jyvaskyla, Finland
- Helsinki Institute of Physics, P. O. Box 64, FI-00014 Helsinki, Finland
| | - H De Witte
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - L P Gaffney
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - C Henrich
- Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, D-64289 Darmstadt, Germany
| | - R Hirsch
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - M Huyse
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - A Illana
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - K Johnston
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - L Kaya
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - Th Kröll
- Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, D-64289 Darmstadt, Germany
| | | | - J Ojala
- University of Jyvaskyla, Department of Physics, P. O. Box 35, FI-40014 University of Jyvaskyla, Finland
- Helsinki Institute of Physics, P. O. Box 64, FI-00014 Helsinki, Finland
| | - J Pakarinen
- University of Jyvaskyla, Department of Physics, P. O. Box 35, FI-40014 University of Jyvaskyla, Finland
- Helsinki Institute of Physics, P. O. Box 64, FI-00014 Helsinki, Finland
| | - M Queiser
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - G Rainovski
- Department of Atomic Physics, University of Sofia, 5 James Bourchier Boulevard, BG-1164 Sofia, Bulgaria
| | | | - B Siebeck
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - E Siesling
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - J Snäll
- Department of Physics, Lund University, Box 118, SE-221 00 Lund, Sweden
| | - P Van Duppen
- Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | - A Vogt
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - M von Schmid
- Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, D-64289 Darmstadt, Germany
| | - N Warr
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
| | - F Wenander
- ISOLDE, CERN, CH-1211 Geneva 23, Switzerland
| | - K O Zell
- Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-50937 Köln, Germany
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Roca-Maza X, Colò G, Sagawa H. The nuclear symmetry energy and the breaking of the isospin symmetry: how do they reconcile with each other? EPJ Web Conf 2018. [DOI: 10.1051/epjconf/201819401002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Our current knowledge of the Equation of State of asymmetric nuclear matter around saturation density and of the energy of the Isobaric Analog State in a heavy nucleus such as 208Pb seem to be in contradiction. In Ref. [1], the problem has been highlighted and a solution has been proposed. In the present contribution, we overview the aforementioned work by giving some new details not previously published.
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Roca-Maza X, Colò G, Sagawa H. Nuclear Symmetry Energy and the Breaking of the Isospin Symmetry: How Do They Reconcile with Each Other? Phys Rev Lett 2018; 120:202501. [PMID: 29864339 DOI: 10.1103/physrevlett.120.202501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 02/26/2018] [Indexed: 06/08/2023]
Abstract
We analyze and propose a solution to the apparent inconsistency between our current knowledge of the equation of state of asymmetric nuclear matter, the energy of the isobaric analog state (IAS) in a heavy nucleus such as ^{208}Pb, and the isospin symmetry breaking forces in the nuclear medium. This is achieved by performing state-of-the-art Hartree-Fock plus random phase approximation calculations of the IAS that include all isospin symmetry breaking contributions. To this aim, we propose a new effective interaction that is successful in reproducing the IAS excitation energy without compromising other properties of finite nuclei.
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Affiliation(s)
- X Roca-Maza
- Dipartimento di Fisica, Università degli Studi di Milano and INFN, Sezione di Milano, Via Celoria 16, 20133 Milano, Italy
| | - G Colò
- Dipartimento di Fisica, Università degli Studi di Milano and INFN, Sezione di Milano, Via Celoria 16, 20133 Milano, Italy
| | - H Sagawa
- RIKEN Nishina Center, Wako 351-0198, Japan and Center for Mathematics and Physics, University of Aizu, Aizu-Wakamatsu, Fukushima 965-8560, Japan
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Bottoni S, Cieplicka-Oryńczak N, Bocchi G, Leoni S, Fornal B, Colò G, Bortignon P, Benzoni G, Blanc A, Bracco A, Crespi F, Jentschel M, Köster U, Michelagnoli C, Million B, Mutti P, Soldner T, Türler A, Ur C, Urban W. (n,γ) reactions on rare Ca isotopes: Valence-hole - core excitation couplings in 47Ca. EPJ Web Conf 2018. [DOI: 10.1051/epjconf/201819305001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Recent results on the structure of 47Ca will be presented. The nucleus of interest was populated via the cold-neutron capture 46Ca(n,γ) reaction, on a rare 46Ca target, during the EXILL experimental campaign at the nuclear reactor of Institut Laue- Langevin in Grenoble. High-resolution γ-ray spectroscopy, performed with a composite array of HPGe detectors, enabled the identification of new transitions deexciting states between the neutron-capture level and the ground state. Experimental data will be compared with a novel microscopic theoretical model, currently under development, specifically designed to describe the low-lying structure of odd-mass nuclei with one valence particle/hole outside a spherical doubly-magic core, using the Skyrme effective interaction self-consistently.
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Abstract
Nuclear β decay in magic nuclei is investigated, taking into account the coupling between particles and collective vibrations, on top of self-consistent random phase approximation calculations based on Skyrme density functionals. The low-lying Gamow-Teller strength is shifted downwards and at times becomes fragmented; as a consequence, the β-decay half-lives are reduced due to the increase of the phase space available for the decay. In some cases, this leads to a very good agreement between theoretical and experimental lifetimes: this happens, in particular, in the case of the Skyrme force SkM* that can also reproduce the line shape of the high-energy Gamow-Teller resonance as was previously shown.
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Affiliation(s)
- Y F Niu
- INFN, Sezione di Milano, Via Celoria 16, I-20133 Milano, Italy
- Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China
| | - Z M Niu
- School of Physics and Material Science, Anhui University, Hefei 230601, China
| | - G Colò
- INFN, Sezione di Milano, Via Celoria 16, I-20133 Milano, Italy
- Dipartimento di Fisica, Unversità degli Studi di Milano, Via Celoria 16, I-20133 Milano, Italy
| | - E Vigezzi
- INFN, Sezione di Milano, Via Celoria 16, I-20133 Milano, Italy
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Vandebrouck M, Gibelin J, Khan E, Achouri NL, Baba H, Beaumel D, Blumenfeld Y, Caamaño M, Càceres L, Colò G, Delaunay F, Fernandez-Dominguez B, Garg U, Grinyer GF, Harakeh MN, Kalantar-Nayestanaki N, Keeley N, Mittig W, Pancin J, Raabe R, Roger T, Roussel-Chomaz P, Savajols H, Sorlin O, Stodel C, Suzuki D, Thomas JC. Measurement of the isoscalar monopole response in the neutron-rich nucleus 68Ni. Phys Rev Lett 2014; 113:032504. [PMID: 25083638 DOI: 10.1103/physrevlett.113.032504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Indexed: 06/03/2023]
Abstract
The isoscalar monopole response has been measured in the unstable nucleus (68)Ni using inelastic alpha scattering at 50A MeV in inverse kinematics with the active target MAYA at GANIL. The isoscalar giant monopole resonance (ISGMR) centroid was determined to be 21.1 ± 1.9 MeV and indications for a soft monopole mode are provided for the first time at 12.9 ± 1.0 MeV. Analysis of the corresponding angular distributions using distorted-wave-born approximation with random-phase approximation transition densities indicates that the L = 0 multipolarity dominates the cross section for the ISGMR and significantly contributes to the low-energy mode. The L=0 part of this low-energy mode, the soft monopole mode, is dominated by neutron excitations. This demonstrates the relevance of inelastic alpha scattering in inverse kinematics in order to probe both the ISGMR and isoscalar soft modes in neutron-rich nuclei.
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Affiliation(s)
- M Vandebrouck
- IPN Orsay, Université Paris Sud, IN2P3-CNRS, F-91406 Orsay Cedex, France and LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - J Gibelin
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - E Khan
- IPN Orsay, Université Paris Sud, IN2P3-CNRS, F-91406 Orsay Cedex, France
| | - N L Achouri
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | - H Baba
- RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - D Beaumel
- IPN Orsay, Université Paris Sud, IN2P3-CNRS, F-91406 Orsay Cedex, France
| | - Y Blumenfeld
- IPN Orsay, Université Paris Sud, IN2P3-CNRS, F-91406 Orsay Cedex, France
| | - M Caamaño
- Universidade de Santiago de Compostela, E-15706 Santiago de Compostela, Spain
| | - L Càceres
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - G Colò
- Dipartimento de Fisica Università degli Studi di Milano and INFN, Sezione di Milano, 20133 Milano, Italy
| | - F Delaunay
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, F-14050 CAEN Cedex, France
| | | | - U Garg
- Physics Department, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - G F Grinyer
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - M N Harakeh
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France and KVI-CART, University of Groningen, NL-9747 AA Groningen, The Netherlands
| | | | - N Keeley
- National Centre for Nuclear Research ul. Andrzeja Soł tana 7, 05-400 Otwock, Poland
| | - W Mittig
- NSCL, Michigan State University, East Lansing, Michigan 48824-1321, USA
| | - J Pancin
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - R Raabe
- Instituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, Belgium
| | - T Roger
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France and Instituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, Belgium
| | | | - H Savajols
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - O Sorlin
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - C Stodel
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
| | - D Suzuki
- IPN Orsay, Université Paris Sud, IN2P3-CNRS, F-91406 Orsay Cedex, France and NSCL, Michigan State University, East Lansing, Michigan 48824-1321, USA
| | - J C Thomas
- Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, France
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Fujita Y, Fujita H, Adachi T, Bai CL, Algora A, Berg GPA, von Brentano P, Colò G, Csatlós M, Deaven JM, Estevez-Aguado E, Fransen C, De Frenne D, Fujita K, Ganioğlu E, Guess CJ, Gulyás J, Hatanaka K, Hirota K, Honma M, Ishikawa D, Jacobs E, Krasznahorkay A, Matsubara H, Matsuyanagi K, Meharchand R, Molina F, Muto K, Nakanishi K, Negret A, Okamura H, Ong HJ, Otsuka T, Pietralla N, Perdikakis G, Popescu L, Rubio B, Sagawa H, Sarriguren P, Scholl C, Shimbara Y, Shimizu Y, Susoy G, Suzuki T, Tameshige Y, Tamii A, Thies JH, Uchida M, Wakasa T, Yosoi M, Zegers RGT, Zell KO, Zenihiro J. Observation of low- and high-energy Gamow-Teller phonon excitations in nuclei. Phys Rev Lett 2014; 112:112502. [PMID: 24702355 DOI: 10.1103/physrevlett.112.112502] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Indexed: 06/03/2023]
Abstract
Gamow-Teller (GT) transitions in atomic nuclei are sensitive to both nuclear shell structure and effective residual interactions. The nuclear GT excitations were studied for the mass number A = 42, 46, 50, and 54 "f-shell" nuclei in ((3)He, t) charge-exchange reactions. In the (42)Ca → (42)Sc reaction, most of the GT strength is concentrated in the lowest excited state at 0.6 MeV, suggesting the existence of a low-energy GT phonon excitation. As A increases, a high-energy GT phonon excitation develops in the 6-11 MeV region. In the (54)Fe → (54)Co reaction, the high-energy GT phonon excitation mainly carries the GT strength. The existence of these two GT phonon excitations are attributed to the 2 fermionic degrees of freedom in nuclei.
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Affiliation(s)
- Y Fujita
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan and Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - H Fujita
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Adachi
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - C L Bai
- Department of Physics, Sichuan University, Chengdu 610065, China
| | - A Algora
- Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain and Institute for Nuclear Research (MTA-Atomki), H-4001 Debrecen, Post Office Box 51, Hungary
| | - G P A Berg
- Department of Physics and JINA, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - P von Brentano
- Institut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany
| | - G Colò
- Dipartimento di Fisica, Università degli Studi di Milano, and INFN, Sezione di Milano, via Celoria 16, 20133 Milano, Italy
| | - M Csatlós
- Institute for Nuclear Research (MTA-Atomki), H-4001 Debrecen, Post Office Box 51, Hungary
| | - J M Deaven
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321, USA
| | - E Estevez-Aguado
- Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain
| | - C Fransen
- Institut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany
| | - D De Frenne
- Vakgroep Subatomaire en Stralingsfysica, Universiteit Gent, B-9000 Gent, Belgium
| | - K Fujita
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - E Ganioğlu
- Department of Physics, Istanbul University, Istanbul 34134, Turkey
| | - C J Guess
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321, USA
| | - J Gulyás
- Institute for Nuclear Research (MTA-Atomki), H-4001 Debrecen, Post Office Box 51, Hungary
| | - K Hatanaka
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - K Hirota
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - M Honma
- Center for Mathematical Sciences, University of Aizu, Aizu-Wakamatsu, Fukushima 965-8580, Japan
| | - D Ishikawa
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - E Jacobs
- Vakgroep Subatomaire en Stralingsfysica, Universiteit Gent, B-9000 Gent, Belgium
| | - A Krasznahorkay
- Institute for Nuclear Research (MTA-Atomki), H-4001 Debrecen, Post Office Box 51, Hungary
| | - H Matsubara
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - K Matsuyanagi
- RIKEN, Nishina Center, Wako Saitama 351-0198, Japan and Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan
| | - R Meharchand
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321, USA
| | - F Molina
- Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain
| | - K Muto
- Department of Physics, Tokyo Institute of Technology, Ohokayama, Meguro, Tokyo 152-8551, Japan
| | - K Nakanishi
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - A Negret
- Horia Hulubei National Institute for Physics and Nuclear Engineering, 077125 Bucharest-Magurele, Romania
| | - H Okamura
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - H J Ong
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Otsuka
- Department of Physics, University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - N Pietralla
- Institut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany
| | - G Perdikakis
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321, USA and Department of Physics, Central Michigan University, Mt. Pleasant, Michigan 48859, USA
| | - L Popescu
- SCK-CEN, Belgian Nuclear Research Center, B-2400 Mol, Belgium
| | - B Rubio
- Instituto de Física Corpuscular, CSIC-Universidad de Valencia, E-46071 Valencia, Spain
| | - H Sagawa
- Center for Mathematical Sciences, University of Aizu, Aizu-Wakamatsu, Fukushima 965-8580, Japan and RIKEN, Nishina Center, Wako Saitama 351-0198, Japan
| | - P Sarriguren
- Instituto de Estructura de la Materia, IEM-CSIC, Serrano 123, E-28006 Madrid, Spain
| | - C Scholl
- Institut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany
| | - Y Shimbara
- Graduate School of Science and Technology, Niigata University, Nishi, Niigata 950-2181, Japan
| | - Y Shimizu
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - G Susoy
- Department of Physics, Istanbul University, Istanbul 34134, Turkey
| | - T Suzuki
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Y Tameshige
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - A Tamii
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - J H Thies
- Institut für Kernphysik, Westfälische Wilhelms-Universität, D-48149 Münster, Germany
| | - M Uchida
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - T Wakasa
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - M Yosoi
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - R G T Zegers
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321, USA
| | - K O Zell
- Institut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany
| | - J Zenihiro
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
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Brenna M, Colò G, Roca-Maza X, Bortignon PF, Moghrabi K, Grasso M. A microscopic model beyond mean-field: from giant resonances properties to the fit of new effective interactions. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20146602015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Roca-Maza X, Agrawal BK, Bortignon PF, Brenna M, Cao LG, Centelles M, Colò G, Paar N, Viñas X, Vretenar D, Warda M. Nuclear Symmetry Energy: constraints from Giant Quadrupole Resonances and Parity Violating Electron Scattering. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20146602092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Bai C, Zhang H, Sagawa H, Colò G, Zhang X, Xu F. Effects of a Skyrme-type tensor force on the spin-isospin excitations. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20146602004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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39
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Moghrabi K, Grasso M, Roca-Maza X, Colò G, Van Giai N. A beyond-mean-field example with zero–range effective interactions in infinite nuclear matter. EPJ Web of Conferences 2012. [DOI: 10.1051/epjconf/20123806002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Brenna M, Colò G, Bortignon PF, Roca-Maza X. Microscopic calculations beyond mean-field with zero-range effective interactions. EPJ Web of Conferences 2012. [DOI: 10.1051/epjconf/20123804005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Moghrabi K, Grasso M, Colò G, Van Giai N. Beyond mean-field theories with zero-range effective interactions: a way to handle the ultraviolet divergence. Phys Rev Lett 2010; 105:262501. [PMID: 21231650 DOI: 10.1103/physrevlett.105.262501] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2010] [Indexed: 05/30/2023]
Abstract
Zero-range effective interactions are commonly used in nuclear physics and in other domains to describe many-body systems within the mean-field model. If they are used within a beyond-mean-field framework, contributions to the total energy that display an ultraviolet divergence are found. We propose a general strategy to regularize this divergence and we illustrate it in the case of the second-order corrections to the equation of state (EOS) of uniform symmetric matter. By setting a momentum cutoff Λ, we show that for every (physically meaningful) value of Λ it is possible to determine a new interaction such that the EOS with the second-order corrections reproduces the empirical EOS, with a fit of the same quality as that obtained at the mean-field level.
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Affiliation(s)
- K Moghrabi
- Institut de Physique Nucléaire, IN2P3-CNRS, Université Paris-Sud, Orsay, France
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Bai CL, Zhang HQ, Sagawa H, Zhang XZ, Colò G, Xu FR. Effect of the tensor force on the charge exchange spin-dipole excitations of 208Pb. Phys Rev Lett 2010; 105:072501. [PMID: 20868034 DOI: 10.1103/physrevlett.105.072501] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2010] [Indexed: 05/29/2023]
Abstract
The charge exchange spin-dipole (SD) excitations of 208Pb are studied by using a fully self-consistent Skyrme Hartree-Fock plus random phase approximation formalism which includes the tensor interaction. It is found, for the first time, that the tensor correlations have a unique, multipole-dependent effect on the SD excitations; that is, they produce a softening of 1{-} states, but a hardening of 0{-} and 2{-} states. This paves the way to a clear assessment of the strength of the tensor terms. We compare our results with a recent measurement, showing that our choice of tensor terms improves the agreement with experiment. The robustness of our results is supported by the analytic form of the tensor matrix elements.
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Affiliation(s)
- C L Bai
- China Institute of Atomic Energy, 102413 Beijing, China
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Breda N, Broglia R, Colò G, Roman H, Alasia F, Onida G, Ponomarev V, Vigezzi E. Electron–phonon coupling in charged buckminsterfullerene. Chem Phys Lett 1998. [DOI: 10.1016/s0009-2614(98)00131-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Suzuki T, Sagawa H, Colò G. Spreading width of the isobaric analog state and isospin mixing. Phys Rev C Nucl Phys 1996; 54:2954-2958. [PMID: 9971667 DOI: 10.1103/physrevc.54.2954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Ghielmetti F, Colò G, Vigezzi E, Bortignon PF, Broglia RA. Spectral line shape of exotic nuclei. Phys Rev C Nucl Phys 1996; 54:R2143-R2145. [PMID: 9971646 DOI: 10.1103/physrevc.54.r2143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Colò G. Where is the non-spin-flip isovector monopole resonance in 208Tl? Phys Rev C Nucl Phys 1996; 53:2201-2206. [PMID: 9971197 DOI: 10.1103/physrevc.53.2201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Colò G, Nagarajan MA, Vitturi A. Isospin mixing in proton-rich N. Phys Rev C Nucl Phys 1995; 52:R1175-R1178. [PMID: 9970683 DOI: 10.1103/physrevc.52.r1175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Colò G, Bortignon PF, Broglia RA. Escape and spreading properties of charge-exchange resonances in 208Bi. Phys Rev C Nucl Phys 1994; 50:1496-1508. [PMID: 9969810 DOI: 10.1103/physrevc.50.1496] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Ponomarev VY, Vigezzi E, Bortignon PF, Broglia RA, Colò G, Lazzari G, Voronov VV, Baur G. Multiple excitation of giant dipole resonances in relativistic heavy ion collisions. Phys Rev Lett 1994; 72:1168-1171. [PMID: 10056640 DOI: 10.1103/physrevlett.72.1168] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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